27.(　 ) --Is Runyang Bridge open to the public yet?

　　　 --Yes. It ______ for almost one and a half months.

　　　 A. has opened　 B. has being opened　 C. has been open　 D. was open

26.(　 ) --Why didn’t you give the wallet to the man at once?

--He ______ before I realized it was his.

A. had been disappeared　　　 B. has disappeared

C. had disappeared　　　　　 　　　　　　　　　　 D. has been disappeared

25.(　　 ) --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. have no idea　　 D. haven’t known

24. --Must I finish reading the book today?

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

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

23.(　　 )-Must we put up a sign by the riverside?

　　　 - 　　　　　　. It’s very dangerous here.

　　 A. Yes, you must　　　　 B. No, you mustn’t 　　　 C. Yes, you can　 D. No, you needn’t

22.(　 ) When I was a child, my grandmother often 　　　　me funny stories.

　　　　 A. spoke　　　　　　　　 B. told　　　　　　　　　 C. said　　 D. talked

21.(　 ) I have a dream. When I___________, I want to be a scientist.

　　　 A. make up 　　　 B. come up　　 　　　 C. grow up　　 　　　 D. turn up

20.(　 ) “The World Without Thieves” is a very moving film. I ______ it twice already.

　　　 A. will see　 B. see　 C. saw　 D. have seen

19.(　 ) I bought some CDs for my friend and they ______ me 30yuan.

　　　 A. spent　 B. paid　 C. cost　 D. used

18.(　　 ) Bad luck! We ______ Mount Emei when it rained heavily.

A. climbed　　　 B. were climbing　　 C. are climbing　　　 D. have climbed