People have begun to stop factories and cars ________ poisonous gases into the air.

试卷相关题目

• 1I think that it is important ________ English well.

  A.learning

  B.learns

  C.learn

  D.to learn

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• 2A driver is asked to keep his safety-belt _________ while driving on the freeway.

  A.fasten

  B.fastening

  C.fastened

  D.to fasten

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• 3There was a ________ look on her face when you spoke to her about that．

  A.puzzling

  B.puzzled

  C.puzzle

  D.puzzles

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• 4Can you smell something ________?

  A.burn

  B.burning

  C.burned

  D.burnt

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• 5________ one of the leading poets in America today．Sonia Sanchez has also written a number of books and plays．

  A.Considering

  B.Considered

  C.Having considered

  D.To consider

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• 6Tom was walking around with his letter ________ in his bag.

  A.folding

  B.folded

  C.to fold

  D.to be folded

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• 7Mary spent the whole weekend, ________ in her room, ________ for the coming examinations．

  A.locked; prepared

  B.being locked; preparing

  C.locked; preparing

  D.locking; prepared

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• 8My brother spends more time than I ______ aloud every day.

  A.read

  B.to read

  C.reading

  D.to be read

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• 9He was brought into the room, with ________.

  A.his hand tie

  B.his hands being tied

  C.his hands tied

  D.his hand to tie

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• 10I want to have him ________the job, but he had it ________instead.

  A.do; do

  B.do; doing

  C.do; one

  D.to do; done

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