More and more people have come to realize that if we had taken effective measures much earlier, the air quality ______ so seriously now.

试卷相关题目

• 1They insisted that he _____ present at the ceremony the next week.

  A.be

  B.has been

  C.should have been

  D.was

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• 2There was something wrong with the network, or the e-mail _______ earlier.

  A.could have been sent

  B.might be sent

  C.need have been sent

  D.must be sent

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• 3If I hadn't stood under the ladder to catch you when you fell, you _______ now.

  A.wouldn't be smiling

  B.couldn't have smiled

  C.won't smile

  D.didn't smile

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• 4—I hear your journey was not very pleasant. —But for the sudden rain we _______ a wonderful time.

  A.will have

  B.should have

  C.should have had

  D.had

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• 5--- Did they attend the opening ceremony? ---They _______, but they were late and quit it.

  A.would

  B.would have

  C.didn't

  D.will have to

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• 6—It has been nation-widely required that every student ______ have daily exercise for one hour. —Yeah.It is high time that we ______ special attention to physical exercise.

  A.must；should pay

  B.should；paid

  C.will；shall pay

  D.need；pay

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• 7All agreed to his suggestion that a bridge across the river__________.

  A.built

  B.be built

  C.would build

  D.should build

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• 8If I ______ten years younger, I _____ very happy.

  A.am, would be

  B.am, shall be

  C.were, shall be

  D.were, would be

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• 9Without the timely aid from different provinces, the affected people in those areas ________ the difficulty.

  A.wouldn't overcome

  B.mustn't have overcome

  C.hadn't overcome

  D.wouldn't have overcome

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• 10-----Why didn't you ring me up? ----- Sorry, I forgot your phone number. Otherwise, I _____ long before.

  A.had rung you up

  B.must run you up

  C.would have rung you up

  D.would ring you up

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