She will tell us why she feels so strongly that each of us has a role ________ in making the earth a better place to live.

试卷相关题目

• 1Foreign visitors will be amazed ______ the art work of three cowboys on horseback ______ acrowd of cows back home along a road on the Rocky Mountains on one broad maple leaf.     

  A.seeing; driving

  B.to see; to drive

  C.to see; driving

  D.seeing; to drive

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• 2Mr.Green stood up in defense of the 16 year old boy,saying that he was not the one ________ .

  A.blamed

  B.blaming

  C.to blame

  D.to be blamed

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• 3—Do you think he will do me a favor?—As far as I know, he is the last one ___ others. He ___ be prepared to give you a hand, though.

  A.to help, might

  B.helping, must

  C.to help , can

  D.helping, should

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• 4Visitors are not permitted ________ the park after dark, because of the lack of lighting.

  A.to enter

  B.entering

  C.to enter in

  D.entering in

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• 5________ awake ,he finished a cup of coffee and ordered another.

  A.Staying

  B.Stayed

  C.To stay

  D.Having stayed

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• 6All of them try to use the power of the workstation____ information in a more _____way.     

  A.presenting ; effect

  B.presented ; effective

  C.being presented ; effect

  D.to present ; effective

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• 7Don't forget _______ all the lights when you leave the classroom.

  A.to turn off

  B.turning off

  C.turn on

  D.turning on

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• 8I'd prefer ______ in the office rather than _____ at home watching TV.      

  A.working; staying

  B.working; stay

  C.to work; stay

  D.work; to stay

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• 9The traffic department has taken effective measures ________ the car speed in the town and ________ the traffic accidents.

  A.limiting; cut off

  B.to limit; cut up

  C.limiting; cut out

  D.to limit; cut down

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• 10Some people try to knock me down, only______ me more determined to do better.    

  A.to make

  B.makes

  C.having made

  D.made

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