________ such heavy pollution already the river is hard to be cleaned up．

试卷相关题目

• 1They found many ways ______ the soil．

  A.to raise

  B.to produce

  C.to improve

  D.improving

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• 2________ upon a true story, the film was very successful in our country．

  A.Based

  B.To base

  C.Basing

  D.Being based

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• 3Class ________ over, all the students rushed out of the classroom, but only Tina remained ________．

  A.be; sitting

  B.been; seating

  C.being; seated

  D.was; sat

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• 4On hearing the news, the man rushed out without hesitation, ________ the bag ________ on the ground．

  A.left ,lying

  B.leaving ,lied

  C.left ,lay

  D.leaving ,lying

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• 5Do you think it any use ______ all the time?

  A.to complain

  B.complaining

  C.complained

  D.of complaining

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• 6The poem ________ in 1881 described a moving story that happened on Christmas Eve．

  A.written

  B.being written

  C.was written

  D.to be written

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• 7On his returning from work he found his house ________.

  A.robbing

  B.robbed

  C.stealing

  D.stolen

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• 8I stood there for an hour ________ the football game .

  A.watched

  B.watches

  C.watching

  D.watch

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• 9________ is a difficult habit to break .

  A.Smoke

  B.Smoked

  C.Smoking

  D.To smoke

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• 10The pupil asked the teacher how much time he spent ________ violin every day.

  A.to practise to play the

  B.practising playing the

  C.to practise to play

  D.practicing to play

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