1. Everyone is busy _____ the examination in the classroom. A. with B. for C. on D. under 答案： A 解析： 注意几个固定搭配： be busy (in) doing sth 忙于做…. be busy with sth 忙于…. busy oneself (in) doing sth 忙于做……. busy oneself with sth 忙于……。 2. I suppose you couldn’t let me borrow your car this evening, _____? A. couldn’t B. don’t C. could you D. will you 答案：C 解析：suppose 后面的从句中为否定式couldn’t，而主句为肯定式，这是否定后移的用法，后面的反意疑问句要根据从句而定，故反意疑问句用肯定式could you。 3. Smoking is not good _____ you because it can affect your health. A. for B. at C. to D. on 答案： A 解析： be good for… 对…有好处. be good at… 善长于…。 4. Henry and Bady _____ to the parties at the Trade union every Saturday. A. are used to go B. use to go C. used to go D. were used to go 答案： C 解析： be used to do… 被用于做…. used to do… 过去常常…。 5. _____ , the inhabitants fled. A. The city taken B. The city having been taken C. Having taken the city D. The city being taken 答案： B 解析： 独立主格结构。