29. His letter was especially welcome as I ______ from him for long.

A. haven’t heard 　B. would not hear 　C. hadn’t heard　 　D. didn’t hear

28. If it weren’t for the fact that the other girls in my class ______ much too busy, I would invite her to take part in the charity program of raising money for the victims in the earthquake.

A. were　　 B. had been　　 C. have been　 　D. are　

27. -----How did you find your summer holidays?

　 -----Terrible. Not only_______ less spare time, but I found myself____ than before.

A. had I enjoyed, busier　　　　 B. did I enjoy, busier　　

　C. had I enjoyed, busy　　　　 　D. did I enjoy, busy

26. 一I try to memorize new words every day．but Call only remember few of them．

　 　一That’s not surprising．Newly-learnt words are easily forgotten unless frequently _______ in communication．

　 　A．used　　 B．using　　 C．to use 　D．be used

25. –What do I need to do for making my skin better?

　 --One of best ways is that skin mustn’t ______the sun for a long time.

A. be devoted to　 　B. be addicted to　 　C. be exposed to　 　D. be related to

24. The public finding of basic science would_____considerable benefits for country’s health, wealth and security.

A. result from　　 B. lie in　 C. refer to　 D. lead to

23. –Why is he so tired of Jack ?

　 --Because Jack always ____to tell his parents about his absence from school.

A. traps　 B. threatens　 C. sharpens　 D. strengthens

22. I am sorry it is _____ my power to make a final decision on the project.

A. over　　 B. through　　 C. off　　 D. beyond

21.–Do you know Anna’s telephone number?

-- ____. As a matter of fact, I don’t know any Anna, either.

A. I think so　　 B. I’m afraid not　　 C. I hope so　　 D. I’d rather not

20. ________ we can’t finish this project on time.

A. Without being given help　　 　B.Wit being given help　

C. Without giving help　　 　　　　D. With giving help