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。