动词不定式
（ ）1. It's our duty _________ the room every day.
A. to clean B. cleaned C. clean D. cleans
（ ）2. It's hard for us _________ English well.
A. learn B. learns C. to learn D. learning
（ ）3.建造这座立交桥将花费工人们一年多的时间。
It will _____ the workers over a year _____ _____ the flyover(立交桥).
A. take. for build B. take. to buildC. takes. to takeD. took .to take
（ ）4. It's very nice ______ you to get me two tickets _________ the World Cup.
A. for，of B. of，for C. to，forD. of，to
（ ）5. He wants ______ some vegetables.
A. buy B. buying C. to buy D. buys
（ ）6. Don't forget ______ your homework with you when you come to school.
A. to bringB. bringingC. to takeD. taking
（ ）7. He found it very difficult ______.
A. sleeping B. sleepsC. slept D. to fall asleep
（ ）8. Robert often asks us ______ his Chinese, so his Chinese is much better than before.
A. help himB. to help him withC. to help withD. helps him with
（ ）9. Mr Li often teaches his Japanese friends ______ Chinese food.
A. cook B. cooks C. to cook D. cooked
（ ）10. She went ______ her teacher.
A. to see B. looks C. saw D. seeing
（ ）11. Meimei likes English very much. She does her best ______ English well.
A. learn B. learning C. to learn D. learns
（ ）12. I'm sorry ______ that.
A. hearsB. hearingC. hearD. to hear
（ ）13. I'm sorry ______ you.
A. troubleB. to troubleC. troublingD. troubled
（ ）14. My mother was very glad ______ her old friend.
A. to meet B. meet C. met D. meets
（ ）15. The panda is so large that it can't go through the hole.(同义转换)
The hole ______ ______ ______ ______ such a large panda to go through.（ ）16. The ice on the lake was so thin that people couldn't skate on it. (同义转换)
The ice on the lake wasn't _____ enough _____ people _____ _____ _____.（ ）17.The water is ____ dirty _____ the animals can’t drink it.
A. too . to B.so. that C. such ,that D. n’t ,enough to
（ ）18.The computer cost ____much money _____ I can’t afford to buy it.
A. too . toB.so. thatC. such ,that
（ ）19. Would you like something ______?
A. drink B. drinking C. to drink D. drinks
（ ）20. I have a lot of homework ______.
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