42. _______more careful, his ship would not have sunk.

A. If the captain were　　　 B. Had the captain been

C. Should the captain be　　 D. If the captain would have been

41. There is a real possibility that these animals could be frightened, _______a sudden loud noise. 　 A. being there　 B. should there be　 C. there was　 D. there having been

40. The sun rises in the east and sets in the west, so it seems as if the sun ________round the earth. 　 A. were circling　 B. circles　 C. is circling　 D. be circling

39. Without electronic computers, much of today’s advanced technology_______.. A. will not have been achieved　　 B. have not been achieved C. would not have been achieved　 D. had not been achieved

37. It’s about time people______ notice of what women did during the war. A. take　 B. took　 C. have taken　 D. will take

38　 Some people are too particular about school records, insisting that every applicant ______all diplomas from elementary school to university. A. has　 B. will have　 C. should have　 D. must have

35. In the past men generally would rather that their wives______ in the home. A. worked　 B. would work　 C. work　 D. were working

.36. John did not feel well yesterday; otherwise he _______to see his classmates off. A. came　 B. would come　 C. would have come　 D. should be coming

34. But for theguidance of our instructor(导师) , we ___ in the experiment.

A.　　　 shouldn’t succeed　 B.　 could not have succeed

C.　　　 will not succeed　　 D.　 should not have succeeded

32. ---Helen couldn’t got to France after all.

----That’s too bad, I’m sure she would have enjoyed it if ___.

A. she’s gone B. she’ll go C. she’d gone D. she’d go

33 I must go there earlier. John has suggested that I ___ an hour before the discussion begins.

A. go B. shall go C. will go D. would go

31. Then came a word from our boss that we all ___ at present at his office right away.

A. be　 B. to be　 C. would be　 D. shall be

29. The Law requires that everyone ___ his car checked at least once a year.

A. has B. had C will have D. have

30 The librarian insists that John ___ no more books from the library before he returns all the books he had borrowed.

A. will take　 B. took　 C. take　 D. takes