公共英语考试辅导：三级词汇练习讲解(1)

　　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 I B. don’t I
　　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。