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八年级英语（外研版）下册期末重难点复习
一、单项选择
The freshly baked bread _______ so delicious that I couldn't wait to taste it.
A. felt B. smelled C. sounded D. looked
— Mom, I feel very _______ before the speech competition.
— Take it easy. You've prepared well.
A. nervous B. excited C. proud D. relaxed
The movie was so _______ that everyone sat quietly in the cinema.
A. boring B. bored C. interesting D. interested
Your idea _______ great. Let's give it a try.
A. sounds B. listens C. hears D. tastes
I felt _______ when I made a mistake in front of the whole class.
A. embarrassed B. embarrassing C. excited D. exciting
The cake _______ sweet. I think it has too much sugar.
A. sounds B. tastes C. looks D. feels
It's _______ to see so many people volunteering in the community.
A. amazing B. amazed C. boring D. bored
The little girl was _______ in the story and asked for more.
A. interesting B. interested C. boring D. bored
— What do you think of the new teacher
— She _______ very friendly and patient.
A. looks B. sounds C. seems D. tastes
The silk dress _______ very soft and comfortable.
A. tastes B. feels C. sounds D. smells
The news was so _______ that everyone jumped with joy.
A. excited B. exciting C. boring D. bored
— Are you _______ in collecting stamps
— Yes, I find it very _______.
A. interesting; interested B. interested; interested
C. interested; interesting D. interesting; interesting
The flowers in the garden _______ sweet in the morning.
A. taste B. feel C. sound D. smell
The trip was really _______. We all got bored and fell asleep.
A. bored B. boring C. pleased D. pleasing
— _______ you ever _______ to the Great Wall
— Not yet. But I'm planning to go next month.
A. Have; been B. Have; gone C. Did; go D. Are; going
My sister _______ a lot of speaking competitions since she joined the English club.
A. enters B. entered C. has entered D. will enter
— Where is Tom I haven't seen him all day.
— He _______ to the library. He left an hour ago.
A. has been B. has gone C. went D. goes
I _______ to Japan before, so I'm really looking forward to this trip.
A. have never been B. have ever been C. never went D. went never
— Is this your first time to visit the museum
— No, I _______ here twice before.
A. have been B. have gone C. went D. will go
They _______ many interesting places since they came to China.
A. visit B. visited C. have visited D. will visit
— _______ you ever _______ a speech in public
— No, never. I'm too shy.
A. Did; give B. Have; given C. Do; give D. Will; give
— Have you found your lost watch _______
— Not _______. I'm still looking for it.
A. already; yet B. yet; already C. yet; yet D. already; already
My uncle _______ in London for five years, but now he lives in Shanghai.
A. has lived B. lived C. lives D. will live
She _______ the piano since she was six years old.
A. plays B. played C. has played D. is playing
— Have you ever tried Chinese hot pot
— Yes, I _______. It's delicious!
A. have B. do C. did D. am
He has _______ been to the United States, so he knows nothing about it.
A. ever B. never C. already D. just
— I _______ the Great Wall twice. It's really magnificent.
— Really I want to go there too.
A. have been to B. have gone to C. went to D. will go to
So far, we _______ more than 500 trees in the community.
A. plant B. planted C. have planted D. will plant
The astronaut _______ just _______ to the space station. He'll work there for six months.
A. has; arrived B. has; reached C. has; got D. has; been
— Have you finished your science report _______
— Not _______. I need one more day.
A. already; already B. yet; already C. yet; yet D. already; yet
The spaceship hasn't returned to the earth _______.
A. already B. just C. yet D. ever
— Where is your brother
— He _______ to the science museum. He wants to see the space exhibition.
A. has been B. has gone C. went D. goes
Scientists _______ any life on Mars yet.
A. haven't found B. didn't find C. don't find D. won't find
I've _______ finished reading this book about space. It's fascinating!
A. yet B. never C. ever D. just
— _______ you ever _______ a model rocket
— No, but I'd love to try.
A. Did; make B. Have; made C. Do; make D. Will; make
The astronaut _______ to the moon twice. He is very famous.
A. has been B. has gone C. went D. goes
We _______ the news about the new planet discovery _______.
A. have just heard; yet B. have just heard; already
C. have already heard; yet D. have just heard; just
She has _______ visited the space museum. She went there last month.
A. ever B. never C. yet D. already
He said he _______ the movie before, so he didn't want to watch it again.
A. has seen B. had seen C. saw D. sees
— Have you ever been to another country
— Yes, I _______ to Canada last summer.
A. have been B. went C. will go D. go
This is the most exciting space news that I _______ ever _______.
A. have; heard B. did; hear C. will; hear D. am; hearing
She _______ to the UK three times, so she knows a lot about British culture.
A. has been B. has gone C. went D. goes
— How long have you _______ this cold
— For about three days.
A. had B. caught C. got D. taken
My grandfather has been ill _______ two weeks.
A. for B. since C. in D. after
He has been away from his hometown _______ he graduated from high school.
A. for B. since C. when D. while
— How long may I _______ this book
— For two weeks.
A. borrow B. lend C. keep D. buy
I _______ a cough since last week. I think I need to see a doctor.
A. have had B. have caught C. caught D. had
His grandmother _______ for ten years. He misses her very much.
A. has died B. died C. has been dead D. was dead
— I have a headache. What should I do
— You _______ take some medicine and rest.
A. should B. may C. can D. must
You look pale. You _______ go to see a doctor at once.
A. had better B. would rather C. have to D. need
— _______ I finish the project today
— No, you _______. You can do it tomorrow.
A. Must; mustn't B. Must; needn't C. May; needn't D. Can; mustn't
Students _______ stay up too late because it's bad for their health.
A. should B. shouldn't C. must D. need
She has _______ for three hours. She needs a break.
A. studied B. been studying C. study D. studying
The old man _______ in this village since he was born.
A. lives B. lived C. has lived D. is living
They _______ friends since they met at the summer camp.
A. have been B. have made C. made D. are
I _______ my homework yet. I'll finish it in an hour.
A. haven't finished B. didn't finish C. don't finish D. won't finish
The geography teacher told us that the earth _______ around the sun.
A. goes B. went C. is going D. has gone
I wonder _______ he will come to the nature museum with us tomorrow or not.
A. that B. what C. if D. whether
The scientist asked the students _______ they had understood the experiment.
A. that B. if C. what D. which
Could you tell me _______ I can get to the national park from here
A. what B. where C. how D. why
The book explains _______ plants grow towards sunlight.
A. how B. if C. that D. what
Do you know _______ the first man walked on the moon
A. that B. when C. what D. which
She asked me _______ I liked collecting natural stones or not.
A. that B. what C. whether D. which
I'm not sure _______ he will join the nature club. Let's ask him.
A. if B. that C. what D. which
The teacher explained that the water cycle _______ an endless process.
A. is B. was C. has been D. will be
Can you tell me _______ you saw at the nature reserve
A. that B. if C. what D. whether
I want to know _______ we will go hiking this weekend or not.
A. if B. whether C. that D. when
He asked me _______ I could help him with his biology project.
A. that B. if C. what D. how
Could you tell me _______ the bamboo grows fastest
A. when B. what C. that D. which
The teacher told us that light _______ faster than sound.
A. travelled B. travels C. will travel D. is travelling
I wonder _______ the ancient trees in the park are well protected.
A. that B. if C. what D. which
Do you know _______ bird is the smallest in the world
A. what B. which C. that D. how
She explained _______ some animals sleep through winter.
A. why B. what C. that D. which
I _______ a summer plan yet, so I need to discuss it with my parents.
A. haven't made B. didn't make C. don't make D. won't make
We _______ to Qingdao for summer holiday next week.
A. travel B. travelled C. will travel D. have travelled
My brother has learnt swimming _______ two summer holidays ago.
A. for B. since C. in D. after
He decided _______ part in the summer voluntary activity.
A. take B. to take C. taking D. took
I will call you as soon as I _______ in the summer camp.
A. arrive B. arrived C. will arrive D. have arrived
_______ it is hot in summer, many students still like outdoor activities.
A. Because B. Though C. If D. So
She is looking forward to _______ her grandparents during the summer vacation.
A. visit B. visiting C. visited D. visits
We won't go for a summer picnic _______ it rains tomorrow.
A. if B. though C. until D. unless
How long have you _______ your summer holiday book
A. bought B. had C. borrowed D. lent
— I plan to take a part-time job in summer holiday.
— _______. It's a good chance to exercise yourself.
A. That's too bad B. Sounds great C. Good luck D. Congratulations八年级英语（外研版）下册期末重难点复习
一、单项选择
The freshly baked bread _______ so delicious that I couldn't wait to taste it.
A. felt B. smelled C. sounded D. looked
答案：B
考点定位：感官动词词义辨析
解题思路：本题考查感官动词的语境运用，需结合主语事物属性匹配对应的感官动作。bread（面包）散发的是气味，对应嗅觉类感官动词。
选项分析：A选项felt（摸起来），用于描述触觉；B选项smelled（闻起来），用于描述嗅觉，符合语境；C选项sounded（听起来），用于描述听觉；D选项looked（看起来），用于描述视觉。
易错警示：感官动词需严格匹配事物属性，不可主观臆断语境。
— Mom, I feel very _______ before the speech competition.
— Take it easy. You've prepared well.
A. nervous B. excited C. proud D. relaxed
答案：A
考点定位：形容词词义辨析（语境适配）
解题思路：根据答语“Take it easy（别紧张）”可知，问句主语处于紧张的情绪状态，需选择对应情绪形容词。
选项分析：A选项nervous（紧张的），符合赛前心理状态；B选项excited（兴奋的）、C选项proud（自豪的）、D选项relaxed（放松的），均无需他人安抚，与答语语境矛盾。
易错警示：情绪类形容词辨析需依托上下文语境，重点抓取应答句提示信息。
The movie was so _______ that everyone sat quietly in the cinema.
A. boring B. bored C. interesting D. interested
答案：C
考点定位：-ed形容词与-ing形容词用法辨析
解题思路：核心语法规则：-ing形容词修饰事物，表“令人……的”；-ed形容词修饰人，表“感到……的”。本题主语为the movie（事物），可直接排除-ed形容词，再结合语境筛选语义。
选项分析：B、D为-ed形容词，仅用于修饰人，语法错误；A选项boring（令人无聊的），与“众人安静观影”的语境不符；C选项interesting（有趣的），语法正确、语境适配。
易错警示：解题优先判断修饰对象，定形容词形式，再结合语义确定答案。
Your idea _______ great. Let's give it a try.
A. sounds B. listens C. hears D. tastes
答案：A
考点定位：感官动词与实义动词辨析
解题思路：主语idea（想法）为抽象事物，需选用可接形容词作表语的感官动词，表主观评价。
选项分析：A选项sounds（听起来），感官动词，后可接形容词，适配抽象事物评价；B选项listens（听）、C选项hears（听见），均为实义动词，不可直接接形容词；D选项tastes（尝起来），用于描述味觉，与抽象主语不匹配。
易错警示：区分感官动词（系动词属性，接形容词）与普通实义动词（接宾语）。
I felt _______ when I made a mistake in front of the whole class.
A. embarrassed B. embarrassing C. excited D. exciting
答案：A
考点定位：-ed形容词与-ing形容词辨析、语境词义辨析
解题思路：主语为人，需用-ed形容词描述主观感受；结合“当众犯错”的场景，确定对应情绪。
选项分析：B、D为-ing形容词，修饰事物，语法错误；C选项excited（兴奋的），语义与场景矛盾；A选项embarrassed（尴尬的），语法正确、语境适配。
易错警示：人物主观情绪统一使用-ed形容词，事物客观属性统一使用-ing形容词。
The cake _______ sweet. I think it has too much sugar.
A. sounds B. tastes C. looks D. feels
答案：B
考点定位：感官动词词义辨析
解题思路：形容词sweet（甜的）属于味觉特征，需选用对应味觉类感官动词。
选项分析：A选项sounds（听起来）、C选项looks（看起来）、D选项feels（摸起来），均无法描述味觉特征；B选项tastes（尝起来），专用于描述食物味道，符合语法与语境。
易错警示：感官动词与感官属性一一对应，不可混用。
It's _______ to see so many people volunteering in the community.
A. amazing B. amazed C. boring D. bored
答案：A
考点定位：-ed形容词与-ing形容词辨析
解题思路：固定句型It is + 形容词 + to do sth.，it为形式主语，指代后文整件事，修饰事件需用-ing形容词；结合积极场景确定语义。
选项分析：B、D为-ed形容词，仅修饰人，语法错误；C选项boring（令人无聊的），与志愿活动的积极场景矛盾；A选项amazing（令人惊叹的），语法、语义均正确。
易错警示：形式主语it指代事件，固定搭配-ing形容词作表语。
The little girl was _______ in the story and asked for more.
A. interesting B. interested C. boring D. bored
答案：B
考点定位：固定形容词搭配
解题思路：掌握固定结构be interested in sth.，意为“对某物感兴趣”，用于描述人得主观喜好。
选项分析：A、C选项为-ing形容词，不与in搭配描述人得感受；D选项bored（感到无聊的），与“索要更多故事”的语境矛盾；B选项构成固定搭配，语境适配。
易错警示：be interested in为固定搭配，无be interesting in用法。
— What do you think of the new teacher
— She _______ very friendly and patient.
A. looks B. sounds C. seems D. tastes
答案：C
考点定位：感官动词辨析（综合评价类）
解题思路：friendly（友好的）、patient（耐心的）属于人物内在气质，非单一感官可感知，需用表综合判断的系动词。
选项分析：A选项looks（看起来）仅指外貌；B选项sounds（听起来）仅指声音；D选项tastes（尝起来）与人物属性无关；C选项seems（似乎、看上去），用于综合评价人物整体状态，适配语境。
易错警示：单一感官动词仅对应外在特征，seem可用于综合主观评价。
The silk dress _______ very soft and comfortable.
A. tastes B. feels C. sounds D. smells
答案：B
考点定位：感官动词词义辨析
解题思路：soft（柔软的）、comfortable（舒适的）属于触觉特征，需选用触觉类感官动词。
选项分析：A选项tastes（尝起来）、C选项sounds（听起来）、D选项smells（闻起来），均无法描述触觉特征；B选项feels（摸起来），专用于描述物体触感，符合语境。
易错警示：衣物材质特征统一用feel描述。
The news was so _______ that everyone jumped with joy.
A. excited B. exciting C. boring D. bored
答案：B
考点定位：形容词辨析（修饰对象判定）
解题思路：主语news（消息）为事物，需用-ing形容词；结合“众人欢呼”的积极场景，确定语义。
选项分析：A、D为-ed形容词，修饰人，语法错误；C选项boring（无聊的），语义与场景矛盾；B选项exciting（令人振奋的），语法、语境均正确。
易错警示：修饰抽象事物的属性，统一使用-ing形容词。
— Are you _______ in collecting stamps
— Yes, I find it very _______.
A. interesting; interested B. interested; interested
C. interested; interesting D. interesting; interesting
答案：C
考点定位：形容词辨析（人机区分用法）
解题思路：第一空修饰人，用-ed形容词构成固定搭配；第二空修饰集邮这件事，用-ing形容词描述事物属性。
选项分析：第一空固定be interested in，排除A、D；第二空修饰事物，需用interesting，排除B。
易错警示：人感-ed，物态-ing，是形容词辨析核心定则。
The flowers in the garden _______ sweet in the morning.
A. taste B. feel C. sound D. smell
答案：D
考点定位：感官动词词义辨析
解题思路：花朵散发的香气属于嗅觉范畴，需选用嗅觉类感官动词。
选项分析：A选项taste（尝）、B选项feel（摸）、C选项sound（听），均与花香无关；D选项smell（闻起来），适配花朵香气描述。
易错警示：自然景物的气味描述统一使用smell。
The trip was really _______. We all got bored and fell asleep.
A. bored B. boring C. pleased D. pleasing
答案：B
考点定位：形容词辨析
解题思路：主语the trip为事物，用-ing形容词；结合“众人感到无聊犯困”的语境，确定消极语义。
选项分析：A选项bored修饰人，语法错误；C、D为积极含义，与语境矛盾；B选项boring（令人无聊的），语法、语义均正确。
易错警示：依托后半句语境反向判定前半句形容词语义。
— _______ you ever _______ to the Great Wall
— Not yet. But I'm planning to go next month.
A. Have; been B. Have; gone C. Did; go D. Are; going
答案：A
考点定位：现在完成时、固定短语辨析
解题思路：ever为现在完成时标志词，可排除一般过去时、将来时；结合语境区分been与gone的用法。
选项分析：C为一般过去时、D为一般将来时，时态不符标志词；B选项have gone to表“去了未归”，不用于询问人生经历；A选项have been to表“去过已归”，用于询问过往经历，符合题意。
易错警示：问经历用have been to，问去向用have gone to。
My sister _______ a lot of speaking competitions since she joined the English club.
A. enters B. entered C. has entered D. will enter
答案：C
考点定位：现在完成时时态判定
解题思路：语法定则：since引导一般过去时从句，主句必须使用现在完成时，表动作从过去持续至现在。
选项分析：A为一般现在时、B为一般过去时、D为一般将来时，均不符合since句式时态规则；C为现在完成时结构，语法正确。
易错警示：since+过去时从句，主句现完是固定考点。
— Where is Tom I haven't seen him all day.
— He _______ to the library. He left an hour ago.
A. has been B. has gone C. went D. goes
答案：B
考点定位：现在完成时短语辨析
解题思路：问句询问人物当下位置，说明人物不在现场、尚未返回，需用对应短语。
选项分析：A选项has been表“去过已归”，与“不在现场”矛盾；C为一般过去时，无法体现对现在的影响；D时态错误；B选项has gone表“去了未归”，适配语境。
易错警示：强调当下不在场，优先用have gone to。
I _______ to Japan before, so I'm really looking forward to this trip.
A. have never been B. have ever been C. never went D. went never
答案：A
考点定位：现在完成时、频度副词用法
解题思路：before为现在完成时标志词，排除一般过去时；结合“期待此次旅行”判定从未去过。
选项分析：C、D时态错误，不与before连用；B选项ever不用于肯定陈述句，语义矛盾；A选项never表从未，时态、语义均正确。
易错警示：before作副词，默认搭配现在完成时。
— Is this your first time to visit the museum
— No, I _______ here twice before.
A. have been B. have gone C. went D. will go
答案：A
考点定位：现在完成时表经历用法
解题思路：twice表多次过往经历，before为现完标志词，需用现在完成时表过往履历。
选项分析：B选项表去向，不表经历；C时态错误；D将来时语义矛盾；A选项have been here表“来过此地”，适配经历描述。
易错警示：次数类词汇（once/twice/several times）搭配现在完成时表经历。
They _______ many interesting places since they came to China.
A. visit B. visited C. have visited D. will visit
答案：C
考点定位：现在完成时固定句式
解题思路：遵循核心语法规则，since引导过去时从句，主句用现在完成时。
选项分析：A一般现在时、B一般过去时、D一般将来时，均不符合时态规则；C选项时态结构正确。
易错警示：since为现在完成时核心触发词。
— _______ you ever _______ a speech in public
— No, never. I'm too shy.
A. Did; give B. Have; given C. Do; give D. Will; give
答案：B
考点定位：现在完成时一般疑问句
解题思路：ever用于疑问句，专门询问人生过往经历，固定搭配现在完成时。
选项分析：A过去时、C现在时、D将来时，均不与ever搭配表经历；B为现在完成时疑问结构，语法正确。
易错警示：ever提问经历，时态必用现在完成时。
— Have you found your lost watch _______
— Not _______. I'm still looking for it.
A. already; yet B. yet; already C. yet; yet D. already; already
答案：C
考点定位：现完副词yet/already用法辨析
解题思路：语法定则：yet用于疑问句、否定句；already仅用于肯定句；not yet为固定搭配。
选项分析：A、B、D存在搭配错误，疑问句和否定句统一用yet；C选项搭配完全符合语法规则。
易错警示：疑否用yet，肯定用already。
My uncle _______ in London for five years, but now he lives in Shanghai.
A. has lived B. lived C. lives D. will live
答案：B
考点定位：一般过去时与现在完成时辨析
解题思路：后半句明确now he lives in Shanghai，说明伦敦居住的动作已彻底结束，与现在无关联，用一般过去时。
选项分析：A现在完成时表动作持续至今，与现状矛盾；C、D时态错误；B一般过去时表过去终结性动作，符合语境。
易错警示：过去动作已终结、无现在影响，禁用现在完成时。
She _______ the piano since she was six years old.
A. plays B. played C. has played D. is playing
答案：C
考点定位：现在完成时持续用法
解题思路：since引导起始时间，表动作从过去持续至现在，主句用现在完成时。
选项分析：A一般现在时、B一般过去时、D现在进行时，均无法表持续动作；C选项时态正确。
易错警示：since+时间点，表持续状态，必用现完。
— Have you ever tried Chinese hot pot
— Yes, I _______. It's delicious!
A. have B. do C. did D. am
答案：A
考点定位：现在完成时一般疑问句答语
解题思路：现完一般疑问句以Have/Has开头，答语需主谓一致，统一用have/has作答。
选项分析：B对应一般现在时、C对应一般过去时、D对应系动词问句，均答非所问；A选项匹配时态答语规则。
易错警示：时态问句答语必须与问句时态严格统一。
He has _______ been to the United States, so he knows nothing about it.
A. ever B. never C. already D. just
答案：B
考点定位：频度副词辨析
解题思路：后半句“一无所知”反向推导，主语从未去过美国。
选项分析：A ever曾经、C already已经、D just刚刚，均与语义矛盾；B never从未，符合逻辑。
易错警示：依托后半句结果反向判定前半句副词。
— I _______ the Great Wall twice. It's really magnificent.
— Really I want to go there too.
A. have been to B. have gone to C. went to D. will go to
答案：A
考点定位：现在完成时表经历
解题思路：twice表过往经历，需用have been to表去过已归的履历。
选项分析：B表去向，不表经历；C过去时不与次数搭配；D将来时语义矛盾；A选项符合经历表达规则。
易错警示：分享过往旅行经历，固定用have been to。
So far, we _______ more than 500 trees in the community.
A. plant B. planted C. have planted D. will plant
答案：C
考点定位：现在完成时标志词用法
解题思路：so far（迄今为止）为现在完成时专属标志词，表截至目前的成果。
选项分析：A一般现在时、B一般过去时、D一般将来时，均不与so far搭配；C选项时态正确。
易错警示：so far/in the past+时间段，固定搭配现在完成时。
The astronaut _______ just _______ to the space station. He'll work there for six months.
A. has; arrived B. has; reached C. has; got D. has; been
答案：A
考点定位：现在完成时、不及物动词用法
解题思路：just搭配现在完成时；arrive为不及物动词，可搭配介词to适配句式，符合语境。
选项分析：B选项reached为及物动词，直接接地点，无需介词；C选项got to多用于口语，正式语境不适用；D选项been to语义不符；A选项语法、搭配、语境均正确。
易错警示：正式文体中，地点抵达优先使用arrive in/at。
— Have you finished your science report _______
— Not _______. I need one more day.
A. already; already B. yet; already C. yet; yet D. already; yet
答案：C
考点定位：yet/already固定用法
解题思路：疑问句和否定答语统一使用yet，not yet为固定搭配。
选项分析：A、B、D存在搭配错误，already不用于疑问、否定句式；C选项完全符合语法规则。
易错警示：现完句式副词搭配固定，不可混用。
The spaceship hasn't returned to the earth _______.
A. already B. just C. yet D. ever
答案：C
考点定位：现在完成时副词用法
解题思路：本句为现在完成时否定句，句末专用yet表“尚未”。
选项分析：A仅用于肯定句；B不用于句末否定结构；D语义不符；C选项适配否定句句末。
易错警示：现完否定句句末，首选yet。
— Where is your brother
— He _______ to the science museum. He wants to see the space exhibition.
A. has been B. has gone C. went D. goes
答案：B
考点定位：现在完成时短语辨析
解题思路：询问当下位置，人物不在现场，动作已发生且未完成，用have gone to。
选项分析：A表去过已归，与语境矛盾；C过去时无现在影响；D时态错误；B选项符合去向表达。
易错警示：当下失踪、不在场，用have gone to。
Scientists _______ any life on Mars yet.
A. haven't found B. didn't find C. don't find D. won't find
答案：A
考点定位：现在完成时时态判定
解题思路：yet为现在完成时否定句专属标志，直接锁定时态。
选项分析：B一般过去时、C一般现在时、D一般将来时，均不与yet搭配；A选项时态结构正确。
易错警示：否定句中出现yet，时态必为现在完成时。
I've _______ finished reading this book about space. It's fascinating!
A. yet B. never C. ever D. just
答案：D
考点定位：现完副词词义辨析
解题思路：肯定陈述句中，just用于现在完成时，表动作刚刚完成。
选项分析：A不用于肯定句；B、C语义与“读完书籍”矛盾；D选项适配语境与时态。
易错警示：just在现完肯定句中，表刚完成的动作。
— _______ you ever _______ a model rocket
— No, but I'd love to try.
A. Did; make B. Have; made C. Do; make D. Will; make
答案：B
考点定位：现在完成时疑问句式
解题思路：ever提问人生经历，固定搭配现在完成时。
选项分析：A过去时、C现在时、D将来时，均不匹配ever用法；B选项时态结构正确。
易错警示：ever+经历提问=现在完成时。
The astronaut _______ to the moon twice. He is very famous.
A. has been B. has gone C. went D. goes
答案：A
考点定位：现在完成时表履历
解题思路：twice表过往多次经历，需用have been to表去过已归的履历。
选项分析：B表去向，不表经历；C、D时态错误；A选项适配履历描述。
易错警示：次数修饰过往经历，统一用have been to。
We _______ the news about the new planet discovery _______.
A. have just heard; yet B. have just heard; already
C. have already heard; yet D. have just heard; just
答案：D
考点定位：现完副词搭配
解题思路：肯定陈述句中，just可置于句末表“刚刚”，yet仅用于疑否句。
选项分析：A、C含yet，搭配错误；B already不可用于句末；D选项搭配合规、语境正确。
易错警示：just可用于现完肯定句句末，表动作刚完成。
She has _______ visited the space museum. She went there last month.
A. ever B. never C. yet D. already
答案：D
考点定位：现完副词辨析
解题思路：后句明确上个月去过，说明已经完成该动作，肯定句用already。
选项分析：A、B语义矛盾；C不用于肯定句；D选项适配语境。
易错警示：现完肯定句表“已经”，固定用already。
He said he _______ the movie before, so he didn't want to watch it again.
A. has seen B. had seen C. saw D. sees
答案：B
考点定位：过去完成时
解题思路：主句为一般过去时，从句动作发生在主句动作之前，即“过去的过去”，需用过去完成时。
选项分析：A现在完成时、C一般过去时、D一般现在时，均无法体现先后顺序；B过去完成时，时态层级正确。
易错警示：过去两个动作，先发生的用过去完成时，后发生的用一般过去时。
— Have you ever been to another country
— Yes, I _______ to Canada last summer.
A. have been B. went C. will go D. go
答案：B
考点定位：一般过去时判定
解题思路：last summer为具体过去时间状语，出现具体过去时间，禁用现在完成时，统一用一般过去时。
选项分析：A现完不接具体过去时间；C、D时态错误；B一般过去时，语法正确。
易错警示：具体过去时间点（yesterday/last.../in+过去年份），只用一般过去时。
This is the most exciting space news that I _______ ever _______.
A. have; heard B. did; hear C. will; hear D. am; hearing
答案：A
考点定位：现在完成时固定句型
解题思路：最高级+先行词+ever，定语从句固定搭配现在完成时。
选项分析：B过去时、C将来时、D现在进行时，均不符合固定句型；A选项时态正确。
易错警示：最高级语境下的ever句式，从句必用现完。
She _______ to the UK three times, so she knows a lot about British culture.
A. has been B. has gone C. went D. goes
答案：A
考点定位：现在完成时表履历影响
解题思路：多次过往经历产生现在的认知影响，用have been to表履历积累。
选项分析：B表去向无履历含义；C、D时态错误；A选项适配语境与时态。
易错警示：过往经历对现在造成影响，优先用现在完成时。
— How long have you _______ this cold
— For about three days.
A. had B. caught C. got D. taken
答案：A
考点定位：延续性动词用法
解题思路：how long与for+时间段必须搭配延续性动词，感冒的延续性表达为have a cold。
选项分析：B、C、D均为短暂性动词短语，无法与时间段连用；A为延续性状态，语法合规。
易错警示：短暂性动词不可与how long/for/since连用，需转换对应延续性动词。
My grandfather has been ill _______ two weeks.
A. for B. since C. in D. after
答案：A
考点定位：现完时间介词辨析
解题思路：for后接时间段，since后接时间点，two weeks为时间段，选用for。
选项分析：B适配时间点；C、D不用于现在完成时持续结构；A选项搭配正确。
易错警示：段for点since，是时态介词核心定则。
He has been away from his hometown _______ he graduated from high school.
A. for B. since C. when D. while
答案：B
考点定位：since引导现完从句
解题思路：空格后为完整过去时从句（时间点事件），需用since引导，表动作自此持续至今。
选项分析：A后接时间段；C、D引导时间状语从句，不搭配现完持续结构；B选项语法正确。
易错警示：since+过去时从句，主句现完表持续。
— How long may I _______ this book
— For two weeks.
A. borrow B. lend C. keep D. buy
答案：C
考点定位：延续性动词替换
解题思路：how long提问持续时长，需用延续性动词，书籍持有延续性动词为keep。
选项分析：A借入、B借出、D购买，均为短暂性动作，不可持续；C保留、持有，为延续性动词。
易错警示： borrow→keep
I _______ a cough since last week. I think I need to see a doctor.
A. have had B. have caught C. caught D. had
答案：A
考点定位：延续性时态结构
解题思路：since搭配现在完成时，catch a cough为短暂动作，需转换为延续性have a cough。
选项分析：B短暂性短语，不可持续；C、D时态错误；A选项延续性现完结构，语法正确。
易错警示：疾病类短暂短语，现完句式需换延续性表达。
His grandmother _______ for ten years. He misses her very much.
A. has died B. died C. has been dead D. was dead
答案：C
考点定位：短暂性动词转换延续性状态
解题思路：die为短暂性动词，不与for+时间段连用，延续性状态为be dead，搭配现完时态。
选项分析：A短暂动词现完，语法错误；B一般过去时，无持续含义；D时态错误；C选项延续性现完结构正确。
易错警示：die→be dead。
— I have a headache. What should I do
— You _______ take some medicine and rest.
A. should B. may C. can D. must
答案：A
考点定位：情态动词表建议
解题思路：就医建议为委婉劝告，should用于提出合理建议，语气适中。
选项分析：B、C表许可、能力，无建议含义；D必须，语气强硬，不符合医患沟通语境；A选项适配委婉建议。
易错警示：日常建议统一用should，禁止用must。
You look pale. You _______ go to see a doctor at once.
A. had better B. would rather C. have to D. need
答案：A
考点定位：情态固定搭配
解题思路：had better do sth.为固定搭配，表善意劝告，贴合身体不适的提醒语境。
选项分析：B宁愿，语义矛盾；C不得不，表客观强制；D需要，词性与用法不符；A选项为固定建议句型。
易错警示：善意紧急劝告，优先用had better。
— _______ I finish the project today
— No, you _______. You can do it tomorrow.
A. Must; mustn't B. Must; needn't C. May; needn't D. Can; mustn't
答案：B
考点定位：情态动词问答匹配
解题思路：Must引导的一般疑问句，否定答语固定用needn't，表“不必”。
选项分析：A mustn't表禁止，语气过重；C、D问句情态动词与答语不匹配；B选项问答规则合规。
易错警示：Must提问，否定答语只用needn't。
Students _______ stay up too late because it's bad for their health.
A. should B. shouldn't C. must D. need
答案：B
考点定位：情态动词否定用法
解题思路：熬夜有害健康，句子表否定劝告，需用shouldn't（不应该）。
选项分析：A、C为肯定含义，语义矛盾；D用法错误；B选项适配否定建议语境。
易错警示：负面行为规劝，用shouldn't。
She has _______ for three hours. She needs a break.
A. studied B. been studying C. study D. studying
答案：A
考点定位：现在完成时基础结构
解题思路：现在完成时基本结构为have/has+过去分词，表动作持续至现在。
选项分析：B为现在完成进行时，侧重动作持续进行，本题无需强调过程；C、D结构错误；A选项现完结构正确。
易错警示：无特殊强调持续过程时，通用现在完成时即可。
The old man _______ in this village since he was born.
A. lives B. lived C. has lived D. is living
答案：C
考点定位：现在完成时持续用法
解题思路：since引导出生时间点，表居住动作从出生持续至今，用现在完成时。
选项分析：A一般现在时、B一般过去时、D现在进行时，均无法表终身持续状态；C选项时态正确。
易错警示：终身持续的状态，since句式必用现完。
They _______ friends since they met at the summer camp.
A. have been B. have made C. made D. are
答案：A
考点定位：动词延续性转换
解题思路：make friends为短暂动作，不可持续；be friends为延续性状态，适配since现完句式。
选项分析：B短暂动词，语法错误；C、D时态错误；A选项延续性状态结构正确。
易错警示：交友的持续状态用be friends，不用make friends。
I _______ my homework yet. I'll finish it in an hour.
A. haven't finished B. didn't finish C. don't finish D. won't finish
答案：A
考点定位：现在完成时否定句式
解题思路：yet为现完否定句标志词，直接锁定现在完成时否定结构。
选项分析：B过去时、C现在时、D将来时，均不与yet搭配；A选项时态结构正确。
易错警示：否定句含yet，时态必为现在完成时。
The geography teacher told us that the earth _______ around the sun.
A. goes B. went C. is going D. has gone
答案：A
考点定位：宾语从句客观真理时态规则
解题思路：核心语法定则：宾语从句表述客观真理、自然规律，无论主句时态，从句统一用一般现在时。
选项分析：B一般过去时、C现在进行时、D现在完成时，均不符合真理时态规则；A一般现在时，语法合规。
易错警示：客观真理永一现，不受主句时态影响。
I wonder _______ he will come to the nature museum with us tomorrow or not.
A. that B. what C. if D. whether
答案：D
考点定位：宾语从句引导词固定搭配
解题思路：whether...or not为固定搭配，表“是否”，if不可与or not连用。
选项分析：A无是否含义；B语义不符；C不能搭配or not；D选项为固定适配引导词。
易错警示：句中有or not，引导词必选whether。
The scientist asked the students _______ they had understood the experiment.
A. that B. if C. what D. which
答案：B
考点定位：宾语从句引导词用法
解题思路：从句由一般疑问句转换而来，表不确定疑问，需用if/whether引导，表“是否”。
选项分析：A引导陈述句；C、D引导特殊疑问句，语义不符；B选项适配一般疑问转换的宾语从句。
易错警示：一般疑问句变宾从，用if/whether引导。
Could you tell me _______ I can get to the national park from here
A. what B. where C. how D. why
答案：C
考点定位：宾语从句特殊疑问引导词
解题思路：从句询问出行方式，how用于引导方式类宾语从句，意为“如何、怎样”。
选项分析：A询问事物；B询问地点；D询问原因；C选项询问方式，适配语境。
易错警示：问路句式中，方式提问固定用how。
The book explains _______ plants grow towards sunlight.
A. how B. if C. that D. what
答案：C
考点定位：宾语从句that引导用法
解题思路：从句句式完整、语义完整，为陈述句事实，用that引导，仅起连接作用，无实义。
选项分析：A、B、D均需从句缺失成分适配，本句成分齐全；C选项适配陈述句宾从。
易错警示：陈述句完整宾从，默认用that引导。
Do you know _______ the first man walked on the moon
A. that B. when C. what D. which
答案：B
考点定位：宾语从句疑问词辨析
解题思路：从句主干完整，缺失时间状语，when用于询问时间。
选项分析：A无疑问含义；C、D需宾语缺失，本句不缺宾语；B选项询问时间，适配语境。
易错警示：根据从句缺失成分判定引导词。
She asked me _______ I liked collecting natural stones or not.
A. that B. what C. whether D. which
答案：C
考点定位：whether固定搭配
解题思路：句含or not，依据语法规则，必须用whether引导宾语从句。
选项分析：A、B、D均不可与or not搭配；C选项为唯一合规引导词。
易错警示：or not是whether的专属搭配标识。
I'm not sure _______ he will join the nature club. Let's ask him.
A. if B. that C. what D. which
答案：A
考点定位：宾语从句疑问引导词
解题思路：be not sure表不确定，后接表疑问的宾语从句，用if引导表“是否”。
选项分析：A适配不确定疑问；B引导陈述句；C、D语义不符；A选项语法、语境均正确。
易错警示：不确定语境的宾从，常用if/whether引导。
The teacher explained that the water cycle _______ an endless process.
A. is B. was C. has been D. will be
答案：A
考点定位：宾从客观真理时态
解题思路：水循环为自然客观规律，遵循真理时态规则，从句用一般现在时。
选项分析：B迁就主句时态，语法错误；C、D时态不符真理规则；A选项时态正确。
易错警示：自然规律、客观事实，宾从一律一般现在时。
Can you tell me _______ you saw at the nature reserve
A. that B. if C. what D. whether
答案：C
考点定位：宾语从句疑问代词用法
解题思路：从句谓语saw为及物动词，句式缺少宾语成分，需选用可充当从句宾语的疑问代词，结合语境询问所见事物。
选项分析：A选项that仅起连接作用，不充当句子成分；B、D选项if和whether表“是否”，仅引导疑问语义，无法充当宾语；C选项what可在宾语从句中作宾语，指代具体事物，语法、语境均合规。
易错警示：宾语从句需优先判断句子成分，缺主语、宾语、表语时，选用what等疑问代词。
I want to know _______ we will go hiking this weekend or not.
A. if B. whether C. that D. when
答案：B
考点定位：宾语从句引导词固定搭配
解题思路：从句末尾出现固定标识or not，依据语法定则，whether可与or not连用，if无此用法。
选项分析：A选项if不可搭配or not；C选项that无疑问语义；D选项when用于询问时间，语义不符；B选项为唯一适配固定搭配的引导词。
易错警示：宾语从句中出现or not，引导词固定选用whether。
He asked me _______ I could help him with his biology project.
A. that B. if C. what D. how
答案：B
考点定位：宾语从句引导词辨析
解题思路：主句谓语asked表疑问语气，从句句式成分完整，语义表不确定询问，需选用表“是否”的引导词。
选项分析：A选项that用于陈述句宾从，无疑问含义；C选项what需从句缺宾语，本句成分完整；D选项how表方式，语义不符；B选项if表“是否”，适配语境。
易错警示：主句为询问类动词，从句成分完整、表不确定语义，常用if/whether引导。
Could you tell me _______ the bamboo grows fastest
A. when B. what C. that D. which
答案：A
考点定位：宾语从句疑问副词辨析
解题思路：从句主干结构完整，缺少时间状语，结合语境询问竹子生长最快的时间。
选项分析：B、D选项为疑问代词，需从句缺失主干成分，本句句式完整；C选项无疑问语义；A选项when为时间疑问副词，适配句子缺失成分与语境。
易错警示：从句成分完整，优先考虑疑问副词（when/where/how/why）。
The teacher told us that light _______ faster than sound.
A. travelled B. travels C. will travel D. is travelling
答案：B
考点定位：宾语从句客观真理时态规则
解题思路：从句表述光速大于声速的自然物理规律，属于客观真理，不受主句过去时态影响，统一使用一般现在时。
选项分析：A选项迁就主句时态用一般过去时，语法错误；C选项一般将来时、D选项现在进行时，均不符合客观真理时态规则；B选项一般现在时，语法合规。
易错警示：宾语从句表述客观真理、自然规律、科学事实，从句永久使用一般现在时。
I wonder _______ the ancient trees in the park are well protected.
A. that B. if C. what D. which
答案：B
考点定位：宾语从句引导词用法
解题思路：主句谓语wonder表“疑惑、想知道”，暗含不确定语义，从句成分完整，需用表“是否”的引导词衔接。
选项分析：A选项that用于确定的陈述句从句，与wonder疑惑语义矛盾；C、D选项需从句缺失主干成分，本句句式完整；B选项if适配不确定疑问语境。
易错警示：wonder后接宾语从句，常用if/whether引导表不确定疑问。
Do you know _______ bird is the smallest in the world
A. what B. which C. that D. how
答案：B
考点定位：宾语从句疑问词辨析
解题思路：从句修饰名词bird，需选用可修饰名词、表特指选择的疑问词，语境询问哪一种鸟类是世界最小。
选项分析：A选项what泛指事物，无选择范围；C选项无疑问语义；D选项表方式，语义不符；B选项which表“哪一个”，特指限定范围事物，适配语境。
易错警示：有明确选择范围、修饰名词时，优先选用which。
She explained _______ some animals sleep through winter.
A. why B. what C. that D. which
答案：A
考点定位：宾语从句疑问副词辨析
解题思路：从句句式成分完整，结合语境可知，句子意在解释动物冬眠的**原因**，需用表原因的疑问副词why引导从句。
选项分析：B、D选项为疑问代词，需要从句缺失主语、宾语等主干成分，本句句式完整；C选项that仅作连接词，无“解释原因”的语义；A选项why表原因，适配语境与句式要求。
易错警示：explain后接表原理、缘由的宾语从句时，常用why引导。
I _______ a summer plan yet, so I need to discuss it with my parents.
A. haven't made B. didn't make C. don't make D. won't make
答案：A
考点定位：现在完成时否定句式
解题思路：yet为现在完成时否定句专属标志词，侧重强调动作截至目前未完成，对当下产生影响。
选项分析：B选项一般过去时，仅表述过去动作，无现在影响；C选项一般现在时、D选项一般将来时，均不与yet搭配；A选项现在完成时否定结构，语法合规。
易错警示：否定句中出现yet，时态固定为现在完成时。
We _______ to Qingdao for summer holiday next week.
A. travel B. travelled C. will travel D. have travelled
答案：C
考点定位：一般将来时时态判定
解题思路：next week为一般将来时标志性时间状语，用于表述未来将要发生的动作。
选项分析：A选项一般现在时、B选项一般过去时、D选项现在完成时，均无法表述未来动作；C选项一般将来时，适配时间状语与语境。
易错警示：未来时间状语（next.../tomorrow/in the future）统一搭配一般将来时。
My brother has learnt swimming _______ two summer holidays ago.
A. for B. since C. in D. after
答案：B
考点定位：现在完成时时间介词辨析
解题思路：现在完成时核心规则：since + 具体过去时间点（时间段+ago），for后接纯时间段。two summer holidays ago为典型过去时间点，适配since用法。
选项分析：A选项for仅接无ago的纯时间段，无法搭配ago结构；C、D选项不用于现在完成时持续句式；B选项since适配“时间段+ago”时间点结构，语法正确。
易错警示：段for、点since；时间段+ago统一归为时间点，搭配since。
He decided _______ part in the summer voluntary activity.
A. take B. to take C. taking D. took
答案：B
考点定位：非谓语动词固定搭配
解题思路：decide为固定搭配动词，后接动词不定式作宾语，构成decide to do sth.结构。
选项分析：A选项动词原形、C选项动名词、D选项过去式，均不与decide搭配；B选项动词不定式，搭配合规。
易错警示：decide后无doing/do用法，固定接to do不定式。
I will call you as soon as I _______ in the summer camp.
A. arrive B. arrived C. will arrive D. have arrived
答案：A
考点定位：时间状语从句时态规则
解题思路：as soon as引导时间状语从句，遵循“主将从现”定则，主句为一般将来时，从句用一般现在时表将来。
选项分析：B选项一般过去时、C选项一般将来时、D选项现在完成时，均违背主将从现规则；A选项一般现在时，语法合规。
易错警示：时间、条件状语从句，主句将来时，从句统一用一般现在时。
_______ it is hot in summer, many students still like outdoor activities.
A. Because B. Though C. If D. So
答案：B
考点定位：让步状语从句引导词
解题思路：前后分句存在转折让步逻辑，前半句表述夏天炎热，后半句表述学生仍喜爱户外活动，需用让步引导词。
选项分析：A选项Because表原因、C选项If表条件、D选项So表结果，均无转折让步含义；B选项Though表“虽然、尽管”，适配逻辑关系。
易错警示：though/although引导让步从句，不可与but连用。
She is looking forward to _______ her grandparents during the summer vacation.
A. visit B. visiting C. visited D. visits
答案：B
考点定位：固定短语非谓语用法
解题思路：look forward to为固定短语，短语中to为介词，后接动名词作宾语。
选项分析：A选项动词原形、C选项过去式、D选项第三人称单数，均不适配介词后用法；B选项动名词形式，搭配合规。
易错警示：介词后统一接名词、代词、动名词，无动词原形用法。
We won't go for a summer picnic _______ it rains tomorrow.
A. if B. though C. until D. unless
答案：D
考点定位：条件状语从句引导词辨析
解题思路：句子逻辑为“除非明天下雨，否则我们去野餐”，表反向条件限定，需用unless引导。
选项分析：A选项if表正向条件，语义矛盾；B选项though表让步；C选项until表时间；D选项unless表“除非”，适配语境逻辑。
易错警示：unless等同于if...not，引导反向条件状语从句。
How long have you _______ your summer holiday book
A. bought B. had C. borrowed D. lent
答案：B
考点定位：延续性动词与短暂性动词辨析
解题思路：How long提问动作持续时长，必须搭配延续性动词，buy、borrow、lend均为短暂性动词，不可持续。
选项分析：A、C、D均为短暂性动词，无法与时间段疑问词连用；B选项had为have的过去分词，表持有状态，为延续性动词，语法合规。
易错警示：buy→have、borrow→keep、leave→be away。
— I plan to take a part-time job in summer holiday.
— _______. It's a good chance to exercise yourself.
A. That's too bad B. Sounds great C. Good luck D. Congratulations
答案：B
考点定位：情景交际用语
解题思路：答语后半句对对方计划表示肯定与认可，需选用赞同、认可类交际语句。
选项分析：A选项表否定遗憾，语义矛盾；C选项用于祝福赛事、考试；D选项用于祝贺成功；B选项表“听起来不错”，适配赞同语境。
易错警示：情景交际需严格匹配情感态度与场景，避免语义错位。

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