37. ---- Would you have called her up had it been possible?

---- Yes, but I ________. busy doing my homework..

A. was　　　　　　　　　 B. were　　　　　　　　 C. had been　　　　　 D. would be

36. Our monitor requested that ________.

A. all the class studied more carefully the problem　　　

B. the problem was more carefully studied

C. with great care the problem could be studied　

D. all the class study the problem more carefully

35. If you ________ that film late last night, you wouldn't be so sleepy.

　 A. didn't see　　　　　 B. haven't seen　　　　　　　　 C. wouldn’t have seen 　　　　 D. hadn’t seen

34. If you had enough money, what ________ ?

　 A. will you buy　　　　 B. would you buy　 C. would you have bought　　 　 D. will you have bought

33. Jane would never have gone to the party ________ that Mary would come to see her.

　 　A. has she known　　　 B. had she known　　　　　 C'. if she know　　　　 D. if she has known

32. Mr. Smith insisted that he ________ the work all.

A. had done　　　　　 B. have done　　　　　　　　　　　 C. did　　　　　　　　 D. so

31. Mike's father, as well as his mother, insisted that he ________ home.

　 A. stayed　　　　　　　 B. could stay　　　　　　　　　　　　　　 C. has stayed　　　　　 D. stay

30. If city noises _______ from increasing, people _______ shout to be heard even at the dinner table 20 years from now.

　 A. are not kept; will have to　　　　　　　　　　　　　　　　 B. are not kept; have to　

　 C. do not keep; will have to　　　　　　　　　　　　　　　　 D. do not keep; have to

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

A. might have given　　　 B. might give　　　　　　　　 C. may have given　　　　 D. may give

28. Without electricity, human life ________ quite different today.

　　 A. is　　　　　　　　 B. will be　　　　　　　　　　　　　　 C. would have been　　 D. would be