28. - Do you know where David is? I couldn’t find him anywhere.　

- Well. He ________ have gone far - his coat is still here.

A. shouldn’t　　　　　　 B. mustn’t　　　　　　 C. can’t　　　　　　　　 D. wouldn’t　　

27. Sara hopes to become a friend of _________ shares her interests.

A. anyone　　 　　　　　 B. no matter who　 　　　 C. whoever　　 　　　 D. whomever

26. He has some doubt ________ he will succeed in his research work.

A. whether　　　　　　　　　　 B. weather　　　　　　 C. which　　　　 D. that

25. _________ is known to all, the moon travels round the earth once every month.

　　 A. It 　　　　　　　　　　　　　　 　　　 B. As　　　　　　　　　　　　　 C. That 　　　　　　　　　　　 D. What

24. Sorry, I am late. I ______ have turn off the alarm clock and gone back to sleep again.

A.might　　 　　　　　　 　　　 B. should 　　　　　　　　　　 C. need 　　　　　　　　 D. would

23. ___________ was most important to her, she told me, was her family.

A.It　 　　　　　　　　　　　　　　 B. This 　　　　　　　　　　　 C. What 　　　　　　　 D. As

22. The man _______ the little boy and said , “You are so clever and lovely . I love you very much.”

　 A. glared at　　 　　　　　　 B. aimed at　　 　　　　　 C. stared at　　 　　 D. laughed at

21. ________ work has been done to improve the people’s living standard.　　　

A. A large amount of　　　 　　　 B. A large number of　　 C. A great deal　　　　　　　 D. A great many