1. _____ She is a rich woman is known to all in the city.
A. / B. That  C. Who  D. Because
2. My cousin asked me _____ I could lend him the Chinese novel.
A. whether    B. /        C. that        D. which
3.The fact _____  he was successful proves his ability.
A. that  B. what  C. which  D. why
4.“What are you doing here, Joan?” Robert asked.
A.Robert asked Joan: what she is doing there.
B.Robert asked Joan what she was doing there.
C.Robert asked her what was she doing there.
D.Robert asked Joan she was doing what there.
5._____ is a fact that English is being accepted as an international language.
A. There   B. This    C. That     D. It
6.They have no idea at all _____.
A.where has he gone            B. which place he has gone
C. where he has gone            D. where did he go
7. The reason he has been such a success      he never gives up.
A. is because     B. is what       C. is that           D. is
8. _____ Mathematics is the base of all other sciences.
A. This is because B. This is that    C. It is that         D. Because
9.China is becoming stronger and stronger.  It is no longer _____.
A.what is used to be             B. what it was used to being
C. what it used to being           D. what it was used to be
10.The reason why he hasn't come is _____.
A. because his mother is ill        B. because of his mother's being ill
C. that his mother is ill            D. for his mother is ill
11.The man asked _____.
A. what was going on there      B. what it was going on there
C. what's going on there         D. what going on there
12._____ leaves the room last ought to turn off the light.
A. Anyone     B. The person    C. Whoever   D. Who
13.It was possible, but not probable _____ manager of the firm.
A. he will be elected            B. he must be elected
C.that he would be elected       D. that he must be elected
14.It's uncertain _____ the experiment is worth doing.
A. if  B. that C. whether D. how
15. _____ I have will be yours sooner or later.
A. No matter what     B. No matter whatever     C. Whatever     D. That
16.I'll eat _____ you give me.
A. no matter what     B. no matter whatever      C. whatever     D. what
17. _____ I can't understand is _____ he wants to change his mind.
A. That; that         B. Which; what          C. What; what    D. What; why
18.I wonder how much _____.
A. cost these shoes               B. do these shoes cost
C. these shoes cost               D. are these shoes cost
19. _____ I will accept the gift is none of your business.
A. If       B. Whether      C. What         D. Which
20.We could see the tower clearly from _____ we were standing. 
A.where        B. there        C. which     D. it
21._____ there is life on another planet is almost impossible.
A. How          B. That        C. Why      D. Whether
22.The demand _____ the workers ask for higher wages seemed reasonable.
A. what          B. that        C. which     D. when
23. _____ was a well-known fact.
A. That their team was weak      B. That their team being weak
C. Their team was weak          D. If their team was weak
24.Has it been announced _____ the planes are to take off?
A. when         B. what       C. where    D. who
25.Nobody knew _____ .
A. where he comes             B. where he was from
C. where he is from             D. where does he come from
26.Father asked _____.
A. what was wrong with me      B. what's wrong with me
C. what wrong was with me      D. what wrong is with me
27.The trouble is _____ we are short of tools.
A. what     B. that      C. how    D. why that
28.It is possible _____ he misunderstood ____  I said.
A. that;  that         B. what;   what  
C. what;   that       D. that;   what
29.The fact _____ he is an orphan is well known.
A. what       B. that    C. which    D. /
30. _____ I was free that evening.
A. It happened to               B. It happened that
C. That happened               D. It was happened that
31. _____ in the newspaper that the Japanese Minister will arrive next Monday.
A. It says      B.  It is said     C. It has said      D. He is said
32.Comrade Wang is to give us a talk on _____ he saw and heard in Britain.
A. what         B. all what      C. that           D. which
33.The problem is _____ will go.
A. that          B. that who     C. who           D. whoever
34. _____ nothing to do with us.
A. What he did is               B.  What he has done
C. What did he do             D.  What he has done has
35.The reason is _____ I missed the bus.
A. that  B. when  C. why  D. what
36.That is_____ we were absent last time.  
A. that  B.  when  C.  why  D. what
37. _____ is announced,  all the schools will reopen soon.
A. It          B. That          C. As         D. When
38._____ is announced that all the schools will reopen soon.
A. It          B. That          C. Which      D. As
39.She will give_____ needs help a warm support.
A. what       B. which         C. whoever    D. whom
40._____ she needs is to have a good rest.
A. That       B. What          C. Whoever    D. The things what
41.They couldn't understand _____ I refused.
A. what       B. why           C. that        D. where
42. _____ I am anxious to know is_____ we can visit the Museum.
A. What;  that  B. What;   when   C. That;  where  D. Where;   when
43. _____  was lying.
A. Those who told you that       B. Anyone told you
C. Whoever told you            D. Whoever told you that
44.A man's worth lies not so much in _____ he has as in_____ he is.
A. that;   what   B. what;   what   C. that;  that   D. what ;  that
45._____ shall finish the work before May Day is possible.
A. What we    B. That we    C. Because we   D. We
46. I have not found my bike yet; in fact, _____ I could have done with it I'm not sure.
A. where         B. whether     C. how       D. what
47.The difficulty lies in _____  we have no money.
A. that         B. which        C. the fact    D. the fact that

The answers:
1-5 BAABD        6-10 CCADC       11-15 ACCCC      16-20 CDCBA
21-25 BBAAB      26-30 ABDBB      31-35 BACDA      36-40 CCACB
41-46 BADBBBD