39.　 It is doubtful ____ he will succeed.　　　 A. if 　　　 B. whether　　　　　　 C. because　　　　　　 D. and

38.　 We have no idea at all ____ he has gone. A. where　 B. which place　 C. what place D. how

37.　 I am pleased with what you have given me and____ you have told me.

A. what　　　　　　　　　 B. that　　　　　　　　　 C. all what　　　　　　 D. which

36.　 It is two years ___ he went to college. A. after　　 B. then　　　　　 C. and 　　　　　 D. since

35.　 He told me ____ they were getting on well with their studies.

A. how　　　　　　　　　 B. when　　　　　　　　 C. where　　　　　　　 D. that

34.　 Could you tell me ___ is the matter with you? A. what B. that　 C. which　　　 D. if

33.　 I don’t know ___ it looks like. A. which　　　　　　　 B. when　　　　 C. why　　　　　 D. what

32.　 No matter now hard he worked, ____ he could not do any better. A. and B. but C. so D. X

31.　 ____ he got so much money last year is unknown to us. A. What　 B. How　　　 C. who　 D. If

30.　 ___ he will attend our class meeting is uncertain. A. If 　　　 　B. Whether C. Which D. That