16. --- I rang you at about ten, but there was no reply.
--- Oh, that was probably ____ I was seeing the doctor.
A. when B. why
C. what
D. that
17. Maria has to baby-sit. That’s______ she can't come with us.
A. why
B. how
C. when
D. what
18. ____ surprised me most was ______ they had finished it so quickly.
A. What, what
B. That, that
C. What, that
D. That, what
19. The reason why she couldn’t come to the meeting was_____ she had not been invited.
A. because
B. which
C. that
D. why
20. In some countries, ____ is called "equality" does not really mean equal rights for all people.
A. which
B. that
C. what
D. one
21. Although he knew little about the work done in the field of physics, he succeeded ______other experienced experts failed.
A. which
B. that
C. what
D. where
22. Father made a promise _____ I passed the examination he would buy me a bicycle.
A. that
B. if
C. whether
D. that if
23. What I want to know is ______ he likes the gift given by us.
A. that
B. if
C. whether
D.不填
24. He wanted to make sure __________.
A. how we went there by bus
B. where did we go
C. what did we go there
D. when we went there
25. _____ they won the game was ______ we had expected.
A. That; which
B. Whether; that
C. What; that D. That; what
26. I real
ly don't mind much ________ they came to visit me or not.
A. because
B. why
C. when
D. whether
27. The question came up at the meeting _____ we had not enough money to do the research.
A. whether
B. that
C. if
D. what
28. ____ we can't get seems better than _____ we have.
A. What; what
B. What; that
C. That; that
D. That; what
29. ___ surprised me most was ____ he was too late for the important meeting, for he was chairman of it.
A. What; why
B. That; how
C. What; how
D. That; why
30. Although most of them have no doubt ____ he will pass the exam, I still think there is something about _____ he has really got everything ready.
A. whether; that
B. that; whether
C. that; that
D. whether; whether
参考答案：
1-5 BCBCB 6-10 CABBB
11-15 DAACC 16-20 AACCC
21-25 DDCDD 26-30 DBAAB
