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

27.I didn' t see your sister at the meeting. If she _________, she would have met my brother.

　　 A. has come　　　　　 B. did come　　　　　　　　　　　 C. came　　　　　　 D. had come

26. ---- If he_____ 　, he ______ that food.　　　　 ---- Luckily he was sent to the hospital immediately.

　　 A. was warned; would not take　　　　　　　　　　　　　 B. had been warned; would not have taken

　　 C. would be warned; had not taken　　　　　　　　　　　　　　 D. would have been warned; had not taken

25. If only I _________ to the lecture!

　　 A. listen　　　　　　　　　　　 B. will listen　　　　　 　　 C. am listening　　　　　　　　　　 D. had listened

24. I ' d rather that you ________ home.

　　 A. went　　　　　　　　　　　　 B. have gone　　　　　　　　 C. will go　　　　　　　　　　 D. had gone