资源简介 111111111 展开更多...... 收起↑ 资源列表 Pronunciation.mp3 Section A 1b.mp3 Section A 2a.mp3 Section A 2b.mp3 Section A 2d.mp3 Section B 1c.mp3 Section B 1d.mp3 Section B 2b.mp3 Words and expressions.mp3