27. We______ wait for a bus to get to the station since we are not in a hurry.

　 A. must well　 B. might as well　 C. could well　 D. should as well.

26. It has been announced that candidates _________ remain in their seats until all the papers have been collected.

　 A. can　　　　 B. will　　　　 C. may　　　　 D. shall

25. It is very disappointing that she __________ invited.

　 A. shouldn’t be　　 B. hasn’t　 been　 C. shouldn’t have been　　 D. has

24. If you want help--help or anything, let me know, _______ you?

　 A. don’t　　　　 B. will　　　　 C. shall　　　　 D. do

23.I wish to call on you tonight,_______ I?

　 A. wish　　　　 B. shall　　　　 C. may　　　　　 D. will

22. -Excuse me, but I want to use your computer to type a report.

　 -You ______have my computer if you don’t take care of it.

　 A. shan’t　　　　 B. might not　　　 C. needn’t　　　　 D. shouldn’t

21.Haven’t I told you already that you ____have my reply tomorrow morning?

　 A. will　　 B. shall　　　 C. must　　 D. ought to

20.The door 　　　　　　. Better have it repaired .

　　　 A．isn’t shut 　　　　　　　 　　B．hasn’t been shut

　　　 C．won’t be shut 　　　　 D．won’t shut

19.-I heard they went skiing in the mountains last winter．

　 -It　　　 true because there was 1ittle snow there．

A．may not be　 　　　　　B．won’t be　　

C．couldn’t be　　 　　　　　D．mustn’t be

18.A computer　　　 think for itself；it must be told what to do．

　　 A．can’t　　　　 B．couldn’t　　　　 C．need　　　　 D．would