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