46．-Sara has just come back from New York and she looks very happy.

　　-She ________ her trip very much.

　A. might enjoy　　　　　　　　　　　　　　　　　 B. should have enjoyed

　C. might have enjoyed　　　　　　　　　　　　 D. must enjoy

45．I thought you ________ like something to read，so I have brought you some books.

　A. may　　　　　　　　　 B. might　　　　　　　　 C. could　　　　　　　　 D. must

44．I was really anxious about you. You ________ home without a word.

　A. mustn’t leave　　　　　　　　　　　　　　　　 B. shouldn’t have left

　C. couldn’t have left　　　　　　　　　　　　　 D. needn’t leave

43．The fire spread through the hotel very quickly but everyone ________ get out.

　A. had to　　　　　　　　　　　　　　　　　　　　　 B. would

　C. was able to　　　　　　　　　　　　　　　　　　 D. could

42．- Will you stay for lunch?

　　-Sorry, ________. My brother is coming to see me.

　A. I mustn’t　　　　　 B. I can’t　　　　　　　 C. I needn’t　　　　　 D. I won’t

41．- ________ you make so much noise?

　　-Sorry. I’ll take care not to.

　A. Can　　　　　　　　　 B. Must　　　　　　　　 C. May　　　　　　　　　 D. Would

40．-Shall I turn on the television?

　　-No，I ________ watch it now. I want to go to bed.

　A. shouldn’t　　　　　　　　　　　　　　　　　　　 B. couldn’t

　C. would rather not　　　　　　　　　　　　　　　　　 D. might not

39．He ________ you more help，even though he was very busy.

　A. might have given　　　　　　　　　　　　　　 B. might give

　C. may have given　　　　　　　　　　　　　　　 D. may give

38．I didn’t hear the phone. I ________ asleep.

　A. must be　　　　　　　　　　　　　　　　　　　　 B. must have been

　C. should be　　　　　　　　　　　　　　　　　　　 D. should have been

37．-When can I come for the photos? I need them tomorrow afternoon.

　　-They ________ be ready by 12:00.

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