--- It's the fourth time that heavy smog(雾霾) has hit the city this month. --- It's high time we _______ measures to fight air pollution.

试卷相关题目

• 1As I know, there is ________ car in this neighborhood.

  A.no a

  B.no such

  C.not such

  D.no such a

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• 2How long ______ we take part in the college entrance examination?

  A.is it since

  B.will it be before

  C.is it when

  D.will it be since

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• 3Oh, much smoke here! Somebody _______ the window, please.

  A.opens

  B.open

  C.shall open

  D.will open

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• 4In the exam , the__________ you are, the__________ mistakes you'll make.

  A.carefully; little

  B.more carefully, fewer

  C.more careful; fewer

  D.more careful; less

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• 5It was the first time that I ________the sports meeting with so large an audience

  A.had joined

  B.have taken part in

  C.have joined

  D.had taken part in

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• 6Hardly ______ she heard the strange scream coming from behind a tree.

  A.had she walked out of the woods than

  B.did she walk out of the woods when

  C.had she walked out of the woods when

  D.she had walked out of the woods when

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• 7When I met him the other day，it was the first time we ____ each other since we graduated from school.

  A.saw

  B.have seen

  C.were seeing

  D.had seen

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