If there ______ no water or air on the earth, all living things would die.

试卷相关题目

• 1Did you predict that many students ______ up for the dance competition?

  A.would sign

  B.signed

  C.have signed

  D.had signed

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• 2Eve was late again. She ________ earlier.

  A.should get up

  B.should have studied

  C.must have studied

  D.should have got up

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• 3He_______have been here two hours ago, but he hasn't_______by now

  A.might; turned to

  B.should; turned up

  C.could; turned in

  D.must; turned on

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• 4When he saw all his books _____ here and there on the floor, he knew that something terrible _____.

  A.lying; must have happened

  B.lie; must happen

  C.lay; might have happened

  D.had lain; could have happen

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• 5I hoped ______ my letter.

  A.her to answer

  B.that she would answer

  C.that she answers

  D.her answering

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• 6The teacher commanded that the naughty boy _____, but he refused.

  A.stand up

  B.stood up

  C.would stand up

  D.had stood up

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• 7The manager is trying to find a man to recommend how the job ______ .

  A.is done

  B.be done

  C.should done

  D.to do

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• 8He______ the person referred to be put in prison.

  A.said

  B.demanded

  C.agreed

  D.thought

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