单项选择

(　　)1. The noise pollution was a big problem before the ________ of the old airport.
　　　A. close B. closing C. closes D. closed
(　　)2. Great changes ________ in our hometown since I left it 20 years ago.
　　　A. happened B. was happened C. have been happened D. have happened
(　　)3. Neither you nor my brother ________ to the Kowloon Walled City before.
　　　A. have been B. has been C. have gone D. has gone
(　　)4. -- ________ have you been in this city?- Since I was born.
　　　A. When B. How long C. How many D. How often
(　　)5. --Have you finished your homework ________?--Yes, I've finished it ________.
　　　A. yet; yet B. already; yet C. yet; already D. already; already
(　　)6. Everything in Guilin is ________beautiful and fresh that I even want to live there.
　　　A. so B. such C. too D. very
(　　)7. --I called you yesterday evening, but nobody answered.
　　　--Oh, 1' m sorry. We ________a film at the cinema.
　　　A. will watch B. watch C. have watched D. were watching
(　　)8. Mr King ________ at the office, I'm sure you can find him there now.
　　　A. may be B. can't be C. must be D. mustn't be
(　　)9. The parade was ________ and I felt ________all the time.
　　　A. exciting; excited B. excited; exciting C. exciting; exciting D. excited; excite
(　　)10. It’s raining heavily. We have to ________the sports meeting.
　　　A. put off B.join in C. hold on D. take part in
(　　)11. --How often ________ the Olympic Games ________ ?--Every four years.
　　　A. do; hold B. does; held C. are; held D. is; held
(　　)12. We'll have a football game this afternoon if our work ________.
　　　A. finish B. finishes C. will finish D. is finished
(　　)13. One day, he was lying on the grass when he ________ and had a strange dream.
　　　A. falls sleep B. fell asleep C. feel asleep D. fell sleeping
(　　)14.This CD-ROM helps you learn English_______your knowledge of English grammar and vocabulary.
　　　A. to test B. to testing C. from testing D. by testing
(　　)15. ________do you usually use your computer for'?
　　　-I usually use it to search for information on the Internet.
　　　A. What B. Why C. How D. When