—Mum, can I watch the TV program for another twenty minutes? —Sorry, dear, it's time you ________ to bed.

试卷相关题目

• 1Live each day as if we ______ die tomorrow, which is a good rule to live by.

  A.may

  B.can

  C.will

  D.should

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• 2The manager proposed that Tom _____ an opportunity to explain why he'd refused to go there.

  A.was given

  B.must give

  C.should give

  D.be given

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• 3Grace doesn't want to move to New York because she thinks if she ________ there，she wouldn't be able to see her parents very often.

  A.lives

  B.would live

  C.has lived

  D.were to live

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• 4The experts present at the conference all insisted that greenhouse gas emission ______ be reduced from now on．   

  A.must

  B.will

  C./

  D.can

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• 5The plant is dead. I _____ it more water.

  A.will give

  B.would have given

  C.must give

  D.should have give

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• 6—How was your trip to Yancheng last week? —Wonderful! I only felt sorry that I ________ the nature reserve of redcrowned cranes, but the weather was awful.

  A.could visit

  B.could have visited

  C.might visit

  D.might have visited

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• 7 If we had taken such effective measures much earlier, the river ________ so seriously now.

  A.is not polluted

  B.would not be polluted

  C.had not been polluted

  D.would not have been polluted

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