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/ 让学习更有效 期中备考培优 | 英语学科
/ 让学习更有效 期中备考培优 | 英语学科
2025-2026学年八年级下册英语期中复习考点培优仁爱科普版
（新教材）专题08 句型转换
学校:___________姓名：___________班级：___________考号：___________
1．I will go out. I finish my homework. (用as soon as合并)
___________________________________
2．She was reading. Her sister was watching TV. (用while合并)
___________________________________
3．It’s important for us to learn English well. (改为感叹句)
________ ________ it is for us to learn English well!
4．He practices speaking English every day. (改为否定句)
He ________ ________ speaking English every day.
5．You should work hard. (改为祈使句)
________ ________ hard.
6．He learned to search for information online. (一般疑问句)
________ he ________ to search for information online
7．We should review our lessons every day. (改为否定句)
We ________ ________ review our lessons every day.
8．You should pay attention to your pronunciation. (改为一般疑问句)
________ ________ pay attention to my pronunciation
9．I was shocked to see the sudden change. (一般疑问句)
________ you ________ to see the sudden change
10．We should take notes in class. (否定句)
We ________ ________ take notes in class.
11．Amy took notes carefully while the teacher spoke. (改为否定句)
Amy ________ ________ notes carefully while the teacher spoke.
12．He asked me, “What did you do in the chemistry class ” (改为间接引语)
He asked me ________ ________ ________ ________ in the chemistry class.
13．Lucy keeps listening to English programs every day.（改为同义句）
Lucy ________ ________ listening to English programs every day.
14．They attended a speech this morning. (改为一般疑问句并作否定回答)
—________ they ________ a speech this morning
—No, ________ ________.
15．I learned to cook pizza with my cousins last Sunday. (改为否定句)
I ________ ________ to cook pizza with my cousins last Sunday.
16．“The Internet creates a magical world,” we learned. (合并为一句含宾语从句的复合句)
We learned ________ the Internet ________ a magical world.
17．They make a budget every month.（改为否定句）
They ________ ________ a budget every month.
18．You can save money. You can buy what you want. (用if合并)
________ you save money, you ________ ________ what you want.
19．I often think twice before buying something. （改为否定句）
__________________________________________________
20．It’s important to save every coin.（改为感叹句）
________ ________ it is to save every coin!
21．I make a budget and stick to it.（改为否定句）
__________________________________________________
22．I can save some money in my piggy bank every week. （改为否定句）
__________________________________________________
23．I always make a shopping list before going to the store. (改为否定句)
__________________________________________________
24．I will buy a new bike. I have enough pocket money. (用if合并为一句)
________ I ________ enough pocket money, I ________ buy a new bike.
25．He doesn’t come. I won’t wait.（合并）
If he ________ come, I ________ wait.
26．You should make a shopping list before going shopping. (改为祈使句)
________ ________ shopping list before going shopping.
27．She said, “I will pay for the meal in cash.” (改为宾语从句)
She said that ________ ________ pay for the meal in cash.
28．You get up early. You will catch the bus. (合并成if句子)
If you ________ up early, you ________ catch the bus.
29．I finished my homework. (改为一般疑问句)
________ you ________ your homework
30．We will have a sports meeting next month. (改为否定句)
We ________ ________ a sports meeting next month.
31．Emperor Qin Shihuang made the whole country use the same type of money. (改为被动语态)
The whole country ________ ________ to use the same type of money by Emperor Qin Shihuang.
32．I will buy a new skirt if I have enough pocket money. (改为一般疑问句)
___________________________________________
33．You can connect your phone to the public Wi-Fi.（改为否定句）
___________________________________________
34．He runs fast. (用fastest改写)
He runs ________ ________ in his class.
35．It’s dangerous. (改为感叹句)
________ ________ it is!
36．The big fire burned down the small village.（改为否定句）
The big fire ________ ________ down the small village.
37．You should hide in the corner of the wall during an earthquake. (改为一般疑问句)
________ ________ hide in the corner of the wall during an earthquake
38．You should stay indoors. (改为否定句)
You ________ stay indoors.
39．I was riding home when the rainstorm came. (改为一般疑问句)
________ ________ riding home when the rainstorm came
40．The rain started pouring down after I got inside. (改为否定句)
The rain ________ ________ pouring down after I got inside.
41．We should try our best to prevent natural disasters.（改为一般疑问句）
________ ________ try our best to prevent natural disasters
42．He drives more carefully than his father. (改为一般疑问句)
________ he ________ more carefully than his father
43．You should put out the fire right away.（改为否定句）
You ________ ________ out the fire right away.
44．The wind blows hard. (改为一般疑问句)
________ the wind ________ hard
45．The hurricane nearly broke his house into pieces. (改为一般疑问句)
________ the hurricane nearly ________ his house into pieces
46．She gets up early. (用in her family改写)
She gets up ________ ________ in her family.
47．We should stay calm when an earthquake happens.(改为否定句)
We ________ ________ calm when an earthquake happens.
48．A flood can take away everything in its way. (改为一般疑问句)
________ a flood ________ away everything in its way
49．People should prepare enough food and water for the typhoon. (改为被动语态)
Enough food and water should ________ ________ for the typhoon by people.
50．He runs fast. (用than me改写)
He runs ________ ________ me.
51．My father is checking the house in and out. (改为一般疑问句)
_______________________________________________
52．We should hide under a strong desk during an earthquake. (改为否定句)
We ________ ________ hide under a strong desk during an earthquake.
53．The hurricane broke the old house into pieces. (改为一般疑问句)
________ the hurricane ________ the old house into pieces
54．I’d like some beef noodles for lunch.（改为一般疑问句）
_________________________________________________________
55．You can pay the bill by credit card.（改为否定句）
_________________________________________________________
56．We can make payments through mobile phones. (改为否定句)
_____________________________________________________
57．We can use our knowledge to make inferences.（改为否定句）
______________________________________
58．He decided to buy a new house for his family. (改为一般疑问句)
______________________________________
59．People used shells as money in ancient China.（改为一般疑问句）
_____________________________________________________
60．I make a budget for my pocket money every month. (改为一般疑问句)
________ you ________ a budget for your pocket money every month
61．You should avoid buying unnecessary things.（改为否定句）
You ________ ________ buying unnecessary things.
62．I will make a budget for my pocket money this month. (改为一般疑问句)
____________________________________________________
63．I have enough money to buy the shoes. (改为否定句)
I ________ ________ enough money to buy the shoes.
64．We can pay with our mobile phones in this restaurant. (改为否定句)
___________________________________________
65．I will take part in the sports meeting. (改为一般疑问句)
________ you ________ part in the sports meeting
66．“I will review my lessons every night,” she said. (改为宾语从句)
→ She said ________ ________ ________ ________ her lessons every night.
67．You should take notes carefully in class. (改为祈使句)
→________ ________ carefully in class.
68．He was able to swim across the river at the age of 10. (改为一般疑问句)
_______ he able to swim across the river at the age of 10
69．This is an educational book. (改为复数句)
______________________________________________________________________________
70．While my sister was watching TV, I was studying. (改为一般疑问句)
______________________________________________________________________________
71．He joined the English corner last week. (改为一般疑问句)
________ he ________ the English corner last week
72．My mother told me, “You should keep a diary in English.” (改为宾语从句)
My mother told me that ________ ________ keep a diary in English.
73．You should write down new words in a notebook. (改为否定句)
You ________ ________ write down new words in a notebook.
74．People use euros in most European countries.（改为一般疑问句）
___________________________________________
75．The typhoon hit the coastal area badly. (改为最高级形式)
_________ all the disasters, the typhoon hit the coastal area the _________.
76．The guards ran fastest to put out the fire. (改为一般疑问句)
_________ the guards _________ fastest to put out the fire
77．This earthquake was terrible. That earthquake was more terrible. (用than合并)
→ That earthquake ________ ________ ________ ________ this one.
78．The firefighters worked hard. No one worked harder than them. (改为最高级)
→ The firefighters worked ________ ________ all.
79．Stay in a cool place. (改为否定祈使句)
________ ________ in a cool place.
80．You should drink lots of water. (改为否定句)
You ________ ________ drink lots of water.
/ 让学习更有效 期中备考培优 | 英语学科
/ 让学习更有效 期中备考培优 | 英语学科
21世纪教育网(www.21cnjy.com)
21世纪教育网(www.21cnjy.com)
参考答案及试题解析
1．I will go out as soon as I finish my homework./As soon as I finish my homework, I will go out.
【解析】句意：我要出去。我完成我的作业。用as soon as（一……就……）引导时间状语从句合并句子，遵循“主将从现”原则，主句用一般将来时，从句用一般现在时。故合并为：I will go out as soon as I finish my homework./As soon as I finish my homework, I will go out.
2．While she was reading, her sister was watching TV.
【解析】句意：她在看书，她妹妹在看电视。while可引导时间状语从句，用于连接两个同时进行的过去进行时动作，因此将前句作从句、后句作主句合并。
3．How important
【解析】句意：学好英语对我们来说很重要。原句核心形容词是“important”，后面没有紧跟名词，且第二空后直接接主语“it”，所以应用“How+形容词+主语+谓语！”这一感叹句结构。故填How；important。
4．doesn’t practice
【解析】句意：他每天练习说英语。原句时态为一般现在时，谓语动词“practices”是实义动词，改为否定句时，应借助于does，与not可缩写为doesn’t，后接动词原形practice。
5．Please work
【解析】句意：你应该努力工作。将含有should的肯定句改为祈使句，祈使句以动词原形开头，可在句首加Please表示委婉语气，谓语动词用原形work。
6．Did learn
【解析】句意：他学会了在网上搜索信息。要将一般过去时句子改为一般疑问句，需在句首加助动词Did，后面的动词learned变回原形learn。故填Did; learn。
7．should not
【解析】句意：我们应该每天复习功课。原句中“should”是关键词，表明句子含有情态动词，改为否定句时，直接在情态动词“should”后加“not”。
8．Should I
【解析】句意：你应该注意你的发音。改为一般疑问句，情态动词should移到句首，第二人称的you改为I。
9．Were shocked
【解析】句意：看到这突如其来的变化，我感到震惊。原句含有be动词was，变一般疑问句时，将be动词提到主语前面，第一人称I变为第二人称you，be动词was变为were，句子首字母大写。
10．should not
【解析】句意：我们应该在课堂上做笔记。原句含有情态动词should“应该”，改为否定句时，在情态动词后加not。
11．didn’t take
【解析】句意：Amy在老师讲话时认真记笔记。原句为一般过去时，改为否定句需借助助动词didn’t，后接动词原形，took的原形是take。
12．what I had done
【解析】句意：他问我：“你在化学课上做了什么？”直接引语为特殊疑问句，改为间接引语时用原疑问词What引导宾语从句，从句用陈述语序；主句为一般过去时asked，从句时态需后移，一般过去时did变为过去完成时had done，主语you变为I。故填What；I；had；done。
13．sticks to
【解析】句意：露西每天都在听英语节目。keep doing sth“一直做某事”，stick to doing sth“坚持做某事”与其意思相近。时态为一般现在时，主语为“Lucy”，动词stick用第三人称单数形式sticks。
14．Did attend they didn’t
【解析】句意：他们今天上午听了一场演讲。改为一般疑问句，时态为一般过去时，主语为they，使用助动词“Did”构成疑问句，动词变为原形attend，否定回答用No, they didn’t。
15．didn’t learn
【解析】句意：上周日我和我的表兄弟们一起学做披萨。改为否定句，时态为一般过去时，主语为I，使用助动词“did”加not构成否定，缩写为didn’t，动词变为原形learn。
16．that creates
【解析】句意：我们了解到：“互联网创造了一个神奇的世界。”合并为含宾语从句的复合句时，用that引导宾语从句；主句为一般过去时learned，但从句表示客观事实，时态不后移，仍用一般现在时creates。故填that；creates。
17．don’t make
【解析】句意：他们每个月做预算。原句为含实义动词“make”的肯定句，改为否定句时，主语“They”后需添加助动词“do”的否定形式“don’t”，并将谓语动词恢复原形“make”。
18．If can buy
【解析】句意：如果你存钱，你就能买你想要的东西。第一句“You can save money.”表示条件，第二句“You can buy what you want.”表示结果。合并后构成if条件状语从句，主句中的情态动词can保持不变。故填If；can；buy。
19．I don’t often think twice before buying something.
【解析】句意：我经常在买东西前三思。改为否定句，本句是一般现在时，主语是I，需要在实义动词think前加助动词don’t，其他不变。
20．How important
【解析】句意：节约每一枚硬币都很重要。原句核心形容词是“important”，感叹句结构为：How+形容词+主语+谓语！
21．I don’t make a budget or stick to it.
【解析】原句是一般现在时，主语是I，改为否定句需要在动词原形make前加助动词don’t；同时，肯定句中的and在否定句中要变为or。
22．I can’t save any money in my piggy bank every week./I can not save any money in my piggy bank every week.
【解析】句意：我每周可以把一些钱存进我的存钱罐里。句子中含有情态动词can，改为否定句可以直接在情态动词后加上not，形成can’t或cannot。some用于肯定句，any用于否定句或疑问句。故填I can’t save any money in my piggy bank every week./I cannot save any money in my piggy bank every week.
23．I don’t always make a shopping list before going to the store.
【解析】句意：我去商店之前总是列购物清单。原句是一般现在时的陈述句，主语“I”为第一人称，谓语动词“make”为实义动词原形；变为否定句时，需在主语后加助动词don’t，谓语动词“make”保持原形。
24．If have will
【解析】句意：我会买一辆新自行车。我有足够的零花钱。用if引导条件状语从句时，遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时。主句为I will buy a new bike，从句为I have enough pocket money，因此合并为If I have enough pocket money, I will buy a new bike.故填If；have；will。
25．doesn’t won’t
【解析】原句为 “他不来，我就不等了”，合并为 if 引导的条件状语从句，遵循 “主将从现” 原则：从句用一般现在时表将来，主句用一般将来时。从句主语he是第三人称单数，否定形式doesn’t；主句用won’t表将来否定。故填doesn’t；won’t。
26．Make a
【解析】句意：你应该在购物前列一个购物清单。改为祈使句时，用动词原形Make开头，首字母大写，后接宾语a shopping list。
27．she would
【解析】句意：她说：“我会用现金支付这顿饭的费用。”原句是直接引语，改为宾语从句时，首先要将直接引语中的第一人称“I”根据语境转换为与主句主语“She”相一致的第三人称“she”；其次，原句中“will”表明时态为一般将来时，由于主句“She said”的时态为一般过去时，根据宾语从句的时态遵循“主过从必过”原则，所以从句时态要变为过去将来时，即将“will”改为“would”。
28．get will
【解析】句意：如果你早起，你将会赶上公交车。题干要求将两个句子合并成if条件状语从句，if引导的条件状语从句需遵循“主将从现”原则，即从句用一般现在时，主句用一般将来时。从句主语是you，动词“get”用原形；主句用will+动词原形。
29．Did finish
【解析】句意：你做完你的家庭作业了吗？原句为一般过去时，一般疑问句中，将助动词Did置于句首，谓语动词用原形，故填Did；finish。
30．won’t have
【解析】句意：我们下个月不会举办运动会。原句是一般将来时，变否定句时 will后加not，缩写为won’t，谓语动词保持原形have，故填won’t；have。
31．was made
【解析】句意：秦始皇让整个国家使用同一种货币。原句中“made”是关键词，表明时态为一般过去时，且谓语为实义动词。改为被动语态时，结构为“be + 过去分词”，原句宾语“the whole country”在被动句中作主语，原句是一般过去时，所以be动词用一般过去式，“the whole country”是单数概念，be动词用was，“made”是“make”的过去分词，故填was made 。
32．Will you buy a new skirt if you have enough pocket money
【解析】句意：如果我有足够的零花钱，我会买一条新裙子。原句主句是一般将来时，变一般疑问句时，将助动词Will提前到句首，主语I改为you，从句主语I也改为you，其余部分语序不变，符合“主将从现”规则，故填Will you buy a new skirt if you have enough pocket money
33．You cannot connect your phone to the public Wi-Fi./You can’t connect your phone to the public Wi-Fi.
【解析】句意：你可以把你的手机连接到公共无线网络。含有情态动词can的句子，变否定句时，直接在can后加not，是cannot或缩写为can’t，其余部分保持不变。故填 You cannot connect your phone to the public Wi-Fi./ You can’t connect your phone to the public Wi-Fi.
34．the fastest
【解析】句意：他跑的快。“in his class”表示三者以上的比较范围，需要用fast的最高级fastest改写，最高级前加定冠词the。
35．How dangerous
【解析】句意：它是危险的。题目要求改为感叹句，感叹句由“what”或“how”引导，what引导的感叹句的中心词是名词，how引导的感叹句的中心词是形容词或副词，此处中心词是形容词“dangerous”，用how引导感叹句，其结构是“How+形容词+主语+谓语!”句首单词的首字母要大写。
36．didn’t burn
【解析】句意：大火烧毁了那个小村庄。原句是一般过去时，要求变为否定句，原句谓语burned是实义动词过去式，变否定句时加助动词didn’t，谓语动词还原为原形burn，故填didn’t；burn。
37．Should you
【解析】句意：地震时你应该躲在墙角。原句为含情态动词should的陈述句，改为一般疑问句时，将情态动词Should提到句首且大写，后接主语you。
38．shouldn’t
【解析】句意：你应该待在室内。句中含有情态动词should，变否定句直接在should后加not。should not缩写为shouldn’t。
39．Were you
【解析】句意：暴风雨来临时我正骑车回家。原句为过去进行时，变一般疑问句时，需将主语“I”改为第二人称you，对应的be动词由was变为were，并将were提到句首，大写首字母。
40．didn’t start
【解析】句意：我进屋后，雨开始倾盆而下。原句中“started”是关键词，表明时态为一般过去时，且谓语为实义动词，改为否定句时，需要借助助动词didn’t，后接动词原形start。
41．Should we
【解析】句意：我们应该尽力预防自然灾害。含有情态动词should的肯定句转换一般疑问句。将should提前到句首，主语we保持不变，即Should we。
42．Does drive
【解析】句意：他开车比他爸爸更小心。原句为一般现在时，主语he是第三人称单数，谓语动词drives是实义动词三单形式，变一般疑问句时，需在句首加助动词Does，谓语动词还原为原形drive，故填Does; drive。
43．shouldn’t put
【解析】句意：你不应该立刻灭火。含有情态动词should的句子，变否定句时，直接在should后加not，缩写为shouldn’t，其后接动词原形put。
44．Does blow
【解析】句意：风刮得很大。原句为一般现在时的陈述句，主语the wind是第三人称单数，谓语blows是实义动词，改为一般疑问句时，借助助动词Does，后接动词原形blow。
45．Did break
【解析】句意：飓风几乎把他的房子刮成了碎片。原句时态为一般过去时，句中含有实义动词“broke”，改为一般疑问句时，要借助助动词did，并将其置于句首，首字母要大写；助动词后接动词原形，所以第二空用原形“break”。
46．the earliest
【解析】句意：她起得很早。原句为一般现在时，用“in her family”表示比较范围，需改为最高级形式，副词early的最高级为earliest，最高级前面加定冠词the。
47．shouldn’t stay
【解析】句意：当地震发生时，我们应该保持冷静。含有情态动词should的句子，变否定句时，直接在should后加not，缩写为shouldn’t，谓语动词保持原形stay，其余部分不变。
48．Can take
【解析】句意：洪水能带走沿途的一切。句子是含有情态动词can的肯定句，变一般疑问句时，把情态动词can提到句首，句首单词的首字母要大写，谓语动词保持原形不变，其余部分语序不变。
49．be prepared
【解析】句意：人们应该为台风准备足够的食物和水。原句为含情态动词should的主动语态，改为被动语态时，结构为“情态动词+be+过去分词”。故第一空为情态动词should后接动词原形be；第二空为主动语态的动词prepare变为过去分词prepared。
50．faster than
【解析】句意：他跑得比我快。“than”是比较级的标志词，“fast”是副词，比较级是“faster”，意为“更快地”。故填faster；than。
51．Is your father checking the house in and out /Is my father checking the house in and out
【解析】句意：我爸爸正在进进出出地检查房子。原句是现在进行时，含有be动词is，变一般疑问句时，将is提前到句首，该句中第一人称物主代词“my”作定语，修饰主语“father”，变问句时，可以将my改为your；也可以不改，其余部分语序不变，句首字母要大写。
52．should not
【解析】句意：地震时我们应该躲在结实的桌子下面。原句含有情态动词should，改为否定句时，直接在should后加not即可。
53．Did break
【解析】句意：飓风把老房子摧毁成了碎片。原句是一般过去时，谓语动词broke是实义动词过去式，变一般疑问句时，在句首加助动词Did，谓语动词变回原形break，其余部分语序不变。
54．Would you like some beef noodles for lunch
【解析】句意：我午餐想要一些牛肉面。句子为“would like”情态动词的一般现在时，改为一般疑问句，需改成“would … like … ”，而且原句中的主语“I”是第一人称，改成一般疑问句需改成第二人称“you”，放在“would”和“like”的中间，原句中其余的“some beef noodles for lunch”在改句后依旧按顺序表达不变，一般疑问句的最后加上问号。故填Would you like some beef noodles for lunch
55．You can’t pay the bill by credit card.
【解析】句意：你可以用信用卡付账。含有情态动词can的句子，变否定句时，直接在can后加not，缩写为can’t，其余部分保持不变，故填You can’t pay the bill by credit card.
56．We can’t make payments through mobile phones.
【解析】句意：我们可以通过手机付款。改为否定句需要在情态动词can后加not，缩写为can’t，谓语动词保持不变。故填We can’t make payments through mobile phones.
57．We can’t use our knowledge to make inferences.
【解析】句意：我们可以用我们的知识进行推理。含有情态动词can的句子，变否定句时，直接在can后加not，缩写为can’t，其余部分保持不变。故填We can’t use our knowledge to make inferences.
58．Did he decide to buy a new house for his family
【解析】句意：他决定为他的家人买一套新房子。句子为一般过去时，改为一般疑问句需要借助助动词Did，句首首字母大写，动词使用原形decide，句末用问号。故填Did he decide to buy a new house for his family
59．Did people use shells as money in ancient China
【解析】句意：古代中国的人们把贝壳用作货币。原句是一般过去时，谓语动词used是实义动词过去式，变一般疑问句时，在句首加助动词Did，谓语动词变回原形use，其余部分语序不变。故填Did people use shells as money in ancient China
60．Do make
【解析】句意：你每个月都会为你的零花钱做预算吗？考查一般现在时的一般疑问句转换。原句是一般现在时，谓语动词make是实义动词原形，主语I是第一人称，变一般疑问句时，在句首加助动词Do，主语I改为you，谓语动词保持原形make。故填Do；make。
61．shouldn’t avoid
【解析】句意：你应该避免买不必要的东西。含有情态动词should的句子，变否定句时，直接在should 后加not，缩写为shouldn’t，谓语动词保持原形avoid。故填shouldn’t；avoid。
62．Will you make a budget for your pocket money this month
【解析】句意：这个月你会为你的零花钱做预算吗？原句是will+动词原形的一般将来时，变一般疑问句时，将助动词Will提前到句首，主语I改为you，形容词性物主代词my改为your，谓语动词保持原形make，其余部分语序不变，故填Will you make a budget for your pocket money this month
63．don’t have
【解析】句意：我没有足够的钱买这双鞋。原句是一般现在时，谓语动词have是实义动词原形，主语I是第一人称，变否定句时，在谓语动词前加助动词don’t，谓语动词保持原形have，故填don’t；have。
64．We can’t pay with our mobile phones in this restaurant.
【解析】句意：我们可以在这家餐厅用手机支付。含有情态动词can的句子，变否定句时，直接在can后加not，缩写为can’t，其余部分保持不变，故填We can’t pay with our mobile phones in this restaurant.
65．Will take
【解析】句意：我将参加运动会。句子含有助动词will，改为一般疑问句时，将will提前即可，首字母要大写，后面动词用原形take。故填Will；take。
66．that she would review
【解析】句意：“我每晚都会复习功课，”她说。改为宾语从句时，用that引导宾语从句，主句said为过去时，从句时态需用相应的过去时态，will要变为would，且要用陈述句语序。
67．Take notes
【解析】句意：你应该在课堂上认真记笔记。祈使句通常以动词原形开头，省略主语，take放在句首，句首字母需大写。
68．Was
【解析】句意：他在10岁时就能游过这条河了。原句句中含be动词was，改为一般疑问句时，需将was提到句首，首字母大写。
69．These are educational books.
【解析】句意：这是一本教育类书籍。题干要求将原句改为复数句，This“这个”的复数形式是These“这些”，is的复数形式是are，an educational book“一本教育类书籍”的复数形式是educational books“教育类书籍”。故填These are educational books.
70．While your sister was watching TV, were you studying
【解析】句意：当你妹妹在看电视的时候，你在学习吗？原句是过去进行时的句子，要将其改为一般疑问句，将第一人称的物主代词my改为第二人称的your，将第一人称的主语I改为第二人称的you，以符合疑问句的语境。主句I was studying是过去进行时，变为一般疑问句时，需要将be动词was提到主语you之前，并根据主语you将be动词改为were，即were you studying。由While引导的时间状语从句While my sister was watching TV保持不变，只需调整其中的人称代词。故填While your sister was watching TV, were you studying
71．Did join
【解析】句意：他上周参加了英语角。句子为一般过去时，改为一般疑问句需要借助助动词Did，句首首字母大写，后面的动词使用原形，joined的原形为join。故填Did；join。
72．I should
【解析】句意：我妈妈告诉我：“你应该用英语写日记。”直接引语中的第二人称you，在变为宾语从句时，需要与主句的间接宾语me保持一致，转换为第一人称I；宾语从句需使用陈述语序，因此情态动词should跟在主语I之后。故填I；should。
73．should not
【解析】句意：你应该在笔记本上写下新单词。原句中含有情态动词should，在改为否定句时，直接在情态动词后加not即可，无需借助其他助动词。故填should；not。
74．Do people use euros in most European countries
【解析】句意：大多数欧洲国家的人们使用欧元。原句是一般现在时，谓语动词use是实义动词原形，主语people是复数，变一般疑问句时，在句首加助动词Do，谓语动词保持原形，其余部分语序不变。故填Do people use euros in most European countries
75．Of worst
【解析】句意：台风严重袭击了沿海地区。原句中“badly”是关键词，表明是描述台风袭击的程度，要改为最高级形式，需要引入比较范围“Of all the disasters”（在所有的灾害中），然后将“badly”改为最高级“the worst”，表示在所有灾害中，台风对沿海地区的袭击程度是最严重的。
76．Did run
【解析】句意：警卫们跑得最快去灭火。原句为一般过去时的陈述句，改为一般疑问句时，将助动词Did提到句首且大写，后接主语the guards和动词原形run。
77．was more terrible than
【解析】句意：这次地震很可怕。那次地震更可怕。合并后形成比较级句子，主语是That earthquake，谓语用was，terrible比较级为more terrible，后面接比较级的标志词than。
78．hardest/the hardest of
【解析】句意：所有消防员中，他们工作最努力。"没有人比他们更努力"即他们是最努力的，用最高级结构 (the) hardest of all，of all 表示比较范围。
79．Don’t stay
【解析】句意：待在凉爽的地方。祈使句的否定形式直接在句首加Don’t，后面跟动词原形。
80．should not
【解析】句意：你应该多喝水。原句含有情态动词should，变否定句，只需在should后面加not即可，这里是两个空，所以不缩写。
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