30.- Why did the police ___ the crowd?

　 - Because the president’s car ___ in the street.

A.　　 break down; broke down　

B.　　 break up; broke up

C.　　 break down; broke up

D.　　 break up; broke down

29. –Why didn’t you buy the book?

　 _I ___ but I didn’t have the money.

　 A. would　 B. had had　 C. would have　 D. had thought

28. It is hard for people to understand his action. You can never ___ his thought.

　 A. learn　 B. study　 C. master　 D. read

27. I used to smoke ___ but I gave it up three years ago.

　 A. seriously　 B. heavily　 C. badly　 D. severely

26. I had just started back for the house to change my clothes ___ I heard voices.

　 A. as　 B. when　 C. after　 D. while

25. I was ___ the point of telephoning him when his letter arrived.

　 A. in　 B. to　 C. at　 D. on

24. He is a student of ___ .

　 A. Class First　 B. the Class One　 C. Class One　 D. First Class

23. The medicine is on sale everywhere. You can get it at ___ chemist’s.

　 A. each　 B. some　 C. certain　 D. any

22. ___ that the trade between the two countries reached its highest point.

A.　　 During the 1960s　　　　　　 B. It was in the 1960s

C. That it was in the 1960s　　 D. It was the 1960s

第一节 单项填空(共15小题；每小题1分，满分15分)

21.Swimming is ___ in summer.

A.　　 a great fun　 B. great fun　 C. great funs　 D. great a fun