All possible means ____ to prevent the air pollution, but the sky is still not clear.

试卷相关题目

• 1-Is your father a teacher of English in the No.l Middle School? -No! But he _________ English there for ten years.

  A.has taught

  B.has been teaching

  C.taught

  D.had taught

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• 2The computers made by our company sell best, but several years ago no one could have imagined the role in the markets that they ________.

  A.were playing

  B.were to play

  C.had played

  D.played

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• 3On Monday mornings it usually ______ me an hours to drive to work although the actual distance is only 20 miles.

  A.takes

  B.is taking

  C.took

  D.will take

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• 4Mary, you'd better stay at home. Your classmates ______ over this evening.

  A.are being coming.

  B.has come.

  C.are coming.

  D.com

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• 5By this time next summer, you _______ a high paying job. I, on the other hand , will still be studying for my degree.

  A.will have found

  B.will find

  C.have found

  D.will be finding

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• 6Though it was the first time that I ______ the small town, I fell in love with it at once.

  A.was visiting

  B.visit

  C.have visited

  D.had visited

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• 7Look at the timetable. The flight to Shanghai _____ off at 10:00.

  A.is taking

  B.takes

  C.will be taken

  D.will take

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• 8Five workers _____ the mine disaster. After the injured _____ to the hospital, doctors and nurses immediately got down to saving their lives.

  A.was survived; rushed

  B.survived from; were rushed

  C.survived; was rushed

  D.survived; were rushed

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• 9—Welcome to my home! But why didn't you pay a visit to me last time? — I would have, but I _____ your address.

  A.have forgotten

  B.would have lost

  C.forgot

  D.had lost

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• 10The news came as no surprise to me . I _______ for some time that the factory was going to shut down .

  A.knew

  B.know

  C.have known

  D.had known

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