A. must B. can C. may D. might
5. He____ working till he was seventy years old. A. kept up B. kept on C. kept to D. kept out
6. You ought to take every___ of improving your English. A. time B. thing C. chance D. case
7. ____ from space，our earth，with water covering 70% of its surface，appears as a “blue pla”。 A. Seen B. Seeing C. To be seen D. Having seen
8. The novel ended happily，and the young couple was married____.
A. in the final B. in the end C. to the last D. in conclusion
9. The building___ mostly undamaged after the
earthquake，and only minor repairs were necessary. A. discovered B. lasted C. consisted D. remained
10. He is an honest official and never any gifts from people who sought his help . A. received B. accepted C. expected D. took up
11. He stood waving until the train was out of _____. A. sight B. glimpse C. scene D. reach
12. It is important to____ people with respect and
understanding. A. treat B. attend C. care D. touch
13. The preparations for the trip will be____ till next week. A. put out B. put over C. put off D. put up
14. Parking is a big problem____. A. the traffic is so B. is so the traffic C. so the traffic is D. so is the traffic
15. Nobody can be set in motion without a force _____ on it. A. act B. to act C. acting D. acted
16. I know a number of occasions____ people died from
water pollution. A. how B. as C. when D. where
17. Dirty water must not be _____ with drinking water. A. joined B. linked C. mixed D. bined
18. The main road through the city was blocked for three hours today after an accident____ two buses. A. containing B. connecting C. including D. involving
19. Will you go to the meeting ____ visiting the museum please? A. or B. and C. to D. instead of
20. Smith is to study medicine as soon as he ____ military service.
A. will finish B. has finished C. finish D. would finish
21. If a metal bar is heated，the greater the heat ____，the larger the expansion. A. applied B. being applied C. applying D. is applied
22. They did not discover until later____ the car had been destroyed. A. as B. than C. which D. that
23. He has already made up his mind. It's no use ____ him. A. try to persuade B. trying to persuade C. to try to persuade
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