21.Could you tell me ____ you have bought this fur coat?
A. by whom B. for whom
C. through which D. in which
22. Can you tell me when _____back ?
A. will he be B. does he come
C. he will be D. did he come
23. Nobody but Jim and his uncle _____.
A. know who is he
B. know who he is
C. knows who is he
D. knows who he is
24. I didn't know what _____.
A. was the matter
B. is the matter
C. matter was
D. the matter is
25. We have plenty of books here. You may take _____ you like most.
A. in which B. from which
C. whichever D. that
26. It depends on ______ we have enough time.
A. if B. weather
C. if or not D. whether
27. I am not quite sure ____ he will come or not ?
A. when B. what time
C. weather D. whether
28. You have no idea_______ for her safety.
A. how anxious I have been
B. so anxious I have been
C. how I have been anxious
D. I have been so anxious
29. Now we can see _____ problem the population is .
A. a what serious
B. such serious a
C. how serious a
D. so a serious
30. Would you please tell me ______ to the railway station ?
A. how far is it
B. how far it is
C. how far off is it
D. how long it is
31. I want to buy some stamps. Can you tell me _____ near here ?
A. if there's a post office
B. is there a post office
C. where is the post office
D. whether is there a post office
32. What we have seen is different from _______.
A. we heard
B. we have heard
C. what we heard
D. what we have heard
33. Why is Li Ming so late? I don't know ______.
A. can what the reason be
B. what the reason can be
C. the reason what can be
D. what can the reason be
34. I couldn't agree with _____ at the meeting.
A. that you said
B. which you said
C. all what you said
D. what you said
35. Can't you find out _______ wrong with the machine ?
A. which B. that's C. what's D. where is
36. Do you know _______.
A. who let out the dog
B. who the dog let out
C. who did the dog let out
D. whom the dog let out
37. ______ you go or stay at home won't make any difference.
A. If B. When C. That D. Whether
38. Is _____ you told me really true ?
A. what B. which C. that D. when
39. It's well known ______ the earth moves round the sun.
A. when B. why C. what D. that
40. ____he doesn't like them is very clear.
A. What B. That C. Which D. Where