40. –Let’s go to the cinema, shall we?　　 -- _______.

　　　　 A. No, I can’t　　 B. Yes, I will　　　 C. Yes, thank you　 D. No, we’d better not

39. –Could I call you by your first name?　　 --Yes, you ______.

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

38. –Shall I tell John about the bad news?

　　　　 --No, you ______. I think that will make him sad.

　　　　 A. needn’t　　　　 B. wouldn’t　　　　 C. shouldn’t　　　 D. mustn’t

37. –There is a lot of smoke coming out of the teaching building there.

　　　　 --Really? It ______ be a fire, most probably.

　　　　 A. can　　　　　 B. ought to　　　　 C. may　　　　　　 D. must

36. – May I have an apple, Mum?

　　　　 --Certainly. But you ______ wash your hands first?

　　　　 A. may　　　　　 B. must　　　　　　 C. can　　　　　 D. need

35. –How long ______ the book be kept?

　　　　 --For two weeks, but you ______ return it on time.

　 　　　A. can; may　　　 B. may; need　　　 C. can; must　　　 D. must; need

34. Look out! The knife is very sharp. You ______ cut your finger.

　　　　 A. need　　　　　 B. must　　　　　 C. should　　　　 D. may

33. –Do you think his story ______ true?　 --I don’ think so. But it sounds good.

A. must be　　　　 B. may be　　　　 C. can be　　　　 D. has to be

32. Cars and buses ______ stop when the traffic lights turn red.

　　　　 A. can　　　　　　 B. need　　　　　 C. may　　　　　 D. must

31. Teachers and students ______ look coldly at you for a day or two, but there are friendly feelings in their hearts.

　　　　 A. must　　　　　 B. can　　　　　　 C. may　　　　　 D. should