28.(　 ) --Excuse me, but I don’t think you can smoke here.

--Really sorry. I ______ this is a non-smoking room.

　 A. don’t know　　 B. didn’t know　　 C. haven’t known

27.(　 ) --Must I finish reading the book today?

　 --No. You ______ if you have something else to do.

　 A. mustn’t　　　 B. can’t　　　　 C. don’t have to

26.(　 ) --This is ______ film I’ve told you about several times.

--It’s great. I’ve never seen ______ more moving one.

　 　 A. a, a　　　 　　 　B. the, the　　　　 C. the, a　

23.(　 ) Look! The students are helping the farmers. Some are picking apples, and ___ are holding the ladders.

A. another　 B. the other　 C. others 　

(　 )24 Betty went to the museum and saw many pictures ___ were drawn by a famous person.

A. that　 B. who　 　C. what　

(　 )25 Jeff borrowed a history book from his friend. He ___ it for a week.

A. has borrowed　 B. has lent　 C. has kept

22.(　 ) ___ fine day! Let’s go out to fly a kite.

A. What 　B. How　 C. What a

A)　 单项选择(共15小题，计15分)

从A、B、C三个选项中选出可以填人空白处的最佳选项。

21.(　 ) Don’t worry. I ___ the note to Helen as soon as she comes back.

A. will give　B. would give　 C. give

12.___________________________________________________________________________

13.___________________________________________________________________________

14.___________________________________________________________________________

15.___________________________________________________________________________

10. At last he had to sell his house and move away because 　　　　　_________.