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Directions: There are 25 incomplete statements here. You are required to complete each statement by choosing the appropriate answer from the 4 choices marked A, B, C and D.
1. They always give the available seats to ______ comes first.
A. whoever
B. whomever
C. who
D. whom
2. She asked me ______ I had returned the book to the library, and I admitted that I hadn't.
A. when
B. whether
C. where
D. what
3. Whether he could finish his task depends on how well prepared ______.
A. he is
B. is he
C. can he
D. he can
4. I made a lot of mistakes in the reading. Could you tell me ______?
A. how I can improve
B. how can I improve
C. why I can improve
D. why can I improve
5. They haven't decided ______ their winter holidays this year.
A. when did they spend
B. where will they spend
C. when they spend
D. where they will spend
6. You'd better ask Mary ______ or not it's good.
A. which
B. that
C. whether
D. if
7. The teacher told us never to put off till tomorrow ______ we can do today.
A. what
B. which
C. who
D. that
8. ______ the author wants to express in the book is the love and care for the family.
A. What
B. That
C. Why
D. How
9. ______ you should know is which person you can trust.
A. What
B. That
C. How
D. Which
10. ______ should be responsible for the car accident is under investigation.
A. Who B. What C. Whom D. That
11. The plan having been made, ______ is to carry it out.
A. what we can do
B. who we can do
C. when we can do
D. where we can do
12. ______ makes me feel surprised is that he made such a success.
A. It
B. That
C. What
D. Which
13. In order to search for the escaped prisoner, the police decide to question ______ comes along this road.
A. who
B. whom
C. whoever
D. whomever
14. ______ the international conference on climate next year is certain.
A. He will attend
B. He attends
C. That he will attend
D. As he attends
15. ______ all behavior is learned behavior is a basic assumption of social scientists.
A. Nearly
B. When nearly
C. It is nearly
D. That nearly
16. We hold the opinion ______ miracles sometimes occur, but one has to work hard for them.
A. that
B. what
C. which
D. as
17. More and more people have realized the fact ______ heart disease is related to people's lifestyle.
A. what
B. that
C. to
D. the
18. Legend has it ______ the president of our company is about to retire next year.
A. which
B. whether
C. that
D. when
19. The manager has come to the conclusion ______ Alex is the right person for the job.
A. what
B. that
C. which
D. as
20. The fact ______ Great Britain is made up of three parts is still unknown to many people.
A. that
B. why
C. which
D. what
21. The reason why he was dismissed is ______ he was careless and irresponsible.
A. which
B. that
C. what
D. because
22. One advantage of playing the guitar is ______ it can give you a great deal of pleasure.
A. how
B. why
C. that
D. when
23. The reason why some people enjoy the rural life is ______ the air in the countryside is clean.
A. that
B. how
C. what
D. because
24. ______ finds the lost car will get a gift as a reward.
A. Whomever
B. No matter whom
C. Whoever
D. No matter who
25. ______ I can't understand is ______ he wants to change his mind.
A. That; that
B. Which; what
C. What; that
D. What; why