31.The headmaster announced that the sports meeting would be put off _________ the bad weather.

A. in spite of　 B. because of　　 C. in case of　　 D. instead of

30. When________ from the moon , the earth looks like a coulorful ball.

A. seeing　 B. being seen　　 C. seen　　　 D.having seen

29.I'm moving to the counryside because the air there is much fresher than ______ in the city.

A. that　　 B. it　　　　 C. one　　　　 D. those

28. We wouldn't go abroad for our vacation _______ we could afford it.

A. as if　 B. even if　　 C, now that　　　 D. so that

27. --- Smoking is bad for your health.

--- Yes, I know. But I can't _________.

A. give it up　 B. give it out　 C. give it away　 D. give it back

26.--- Mike,can I ask you a _______ question?

--- Sorry, but it's impolite to pay attention to my privacy.

A. urgent　　 B. serious　 C.formal　　 D.personal

25.We offered him our congratulations _____ his passing the college entrance exams.

A. on　　　 B. at　　　　 C. for　　　　　 D. to

24.The _______ of service in this restaurant has improved a lot since I complained about the waiters' bad attitude towards the guests last week.

A. cost　　 B. quality　　 C.design　　　 D.style

23. _______ I want to say is that you should follow the teacher's advice if you want to pass the exam.

A. That　　 B. When　　 C. How　　　　 D. What

22.The thing that ________ is not whether you fail or not, but whether you try or not.

A. cares　　　 B. minds　　 C. matters　　 D. depends