39. Why did you throw the bottle out of the window? 　You __ somebody.

　　 A. might hurt　　 B. could have hurt　　 C. would hurt　　 D. must have hurt

38. I wonder how he __ that to his parents.

　　 A. dare to say　　　 B. dared say　　　 C. dares to say　　 D. not dare say

37.--You must phone us every week.

　 --Yes, I __

　　 A. must　　 　B. have to　　　　 C. will　　　　 D. should

36.--Did you visit the famous museum?

　　 --No. We __ it, but we spent too much time shopping.

　　 A. could have visited　　　 B. must have visited　　　

C. can' t have visited　　　 D. shouldn't have visited

35. The young man has made so much noise that he __ not have been allowed to attend the concert.

　　 A. could　 B. must　　　 　C. would　　　　 D. should

34. Jenny __ her father about her failure in the exam.

　 A. dares not tell　　 B. dare not to tell　　 C. dare telling　　 　D. dared not tell

33.My five-year-old boy left home three days ago. An idea that something __ to him has been worrying me a lot.

　　 A. can have happened　　 　　　　B. should have happened ;　

C. must happen　　　　　　 　　　D. must have happened

32. John, you __ play with the knife, you　　　　 hurt yourself.

　　 A. won' t; can' t　　 B. mustn't; may　 C. shouldn't; must　　 D. can' t; shouldn’t

31. You can't imagine that a well-behaved gentleman _____ be so rude to a lady.

　　 A. might　　　　　 B. need　　　　 C. should　　　　　　　　 D. would

30. I was really anxious about you. You 　_____ 　home without a word.

　　 A. mustn't leave　 B. needn't leave　 　C. couldn't have left　 D. shouldn't have left