38.-------Look ,it_____be Li Ping.

　 ------No,it____be him.He’s gone abroad.

　 A.may;mustn’t　 　　B.must;may　 　　　　C.must;can’t　 　　　　;may not

37.If you_____quiet ,I’ll tell you what happned

　 A.be　　　 　　　　　B.will be　 　　　　　C.are　 　　　　　　　D.are to be

36.-------Do you speak Japanese?

　 　-------No,I don’t , but I_____speak Chinese.

　 A.ought　　 B.have to　　 C.do　　 D.must

35. The teacher told the students that they ________ keep silent in class all the time.

　 A. ought to not　　　　　 B. ought not to　　　　　　　　 C. ought not to have　　　 D. can't

34. You _________ me about it earlier, but you didn't.

　 A. should have told　　　　 B. would have told　　　　　 C. must have told　　　　 D. should tell

33.1 didn't hear the phone. I _________ asleep.

　 A. must be　　　　 B. must have been　　　　 C. should have been　　　 D. could have been

32. -------"________ you mind my opening the window?"　　　　　　　　

　 --------"Not at all. "

　 A. Shall　　 　　　　　 B. Should　 　　　　 C. Will 　　　　 　　D. Would

31. A computer ________ think for itself; it ________ be told what to do.

　A. may not, must　　　　 B. mustn't, might　　　　　　　 C. shouldn't, could　　　　 D. can't, must

30. He ________ eating American food since he came here.

　 A. used to　　　 B. has been used　　　　 C. has been used to　　　　 D. was used to

29. Do you think if he dares _________ in public.

　 A. speak　　　　 B. speaking　　　　　　 C. to speak　　　　 D. spoken