25. If only I _________ to the lecture!

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

　　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

　　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

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

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

　　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

　　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

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

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

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

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

　　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

　　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

　　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

　　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

　　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

　　38. His tired face suggested that he ________ really tired after the long walk.

　　A. had been B. was C. be D. should be

　　39. It is important that we ________.

　　A. shall close the window before we leave　B. will close the window before we leave

　　C. must close the window before we leave　D. close the window before we leave

　　40. I didn't know his telephone number， otherwise I ______ him.

　　A. had telephoned B. would telephone C. would have telephoned D. telephone

　　參考答案

　　1~5 BADAB 6~10 CDABC 11~15 CCDDB 16~20 ADAAC 21~25 DCDAD 26~30 BDDAA

　　31~35 DABBD 36~40 DABDC