39. ---I ______ be here before eight in the morning.

　 ---Oh, you needn’t. I’m sorry for not telling you that we’ve changed the plan.

　 A. used to　　　 B. am going to　　　 C. was told　　　 D. am able to

38. ---What delicious cakes!

　 ---They would taste ______with butter, I think.

　 A. natural　　　 B. better　　　 C. sweet　　　 D. nice

37. ---How about going on working now?

　 ---All right ______I prefer to have a rest.

　 A. when　　　 B. if　　　 C. because　　　 D. though

36. ---I called you yesterday evening, but there was no answer.

　 ---Oh, I’m sorry I ______dinner at my friend’s.

　 A. was having　　 B. have had　　　 C. had　　　 D. have

35. ---Excuse me, I want to know _______.

　 ---I parked it behind this building.

　 A. where did you park my car　　　 B. where you parked my car

　 C. how you parked my car　　　　 D. what have you done about my car

34. ---Tomorrow we are going on a field trip to Mount Moji. What about you?

　 ---_______.

　 A. I’d love to　　 B. I’d better not　　 C. So am I　　 D. I’m afraid so

33. ---Is ______ here today?

　 ---No, Tom and Jack have asked for sick leave.

　 A. anyone　　　 B. nobody　　　 C. someone　　　 D. everyone

32. ---Shall I keep the door closed?

　 ---No. Please ______it open. I feel a bit hot in here.

　 A. leave　 　　B. try　　　　　　 C. push　　　　　 D. make

31. ---Are the dishes here expensive?

　 ---Not at all. Thirty dollars will ______all you want to have for a meal.

　 A. use　　　　 B. cover　　　　　 C. cost　　　　　 D. spend

30. ---Shall I tell John about it?

　 ---No, you ______. It must be kept as a secret at the moment.

　 A. needn’t　　　 B. can’t　　　　　 C. shan’t　　　　 D. mustn’t