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    科目： 来源：不详 题型：单选题

    Over the past decades, sea ice _____ in the Arctic as a result of global warming.
    A．had decreased B．more than C．attachD．apply

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    科目： 来源：不详 题型：单选题

    － What do you think of the movie?
    － It’s fantastic. The only pity is that I __________ the beginning of it.
    A． Missed B．had missedC．missD．would miss

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    科目： 来源：不详 题型：单选题

    —How can I apply for an online course?
    —Just fill out this form and we _______ what we can do for you.
    A．seeB．are seeingC．have seenD．will see

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    科目： 来源：不详 题型：单选题

    —It was really very kind of you to give me a lift home.
    —Oh,don’t mention it.I _______ past your house anyway.
    A．was comingB．will come
    C．had comeD．have come

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    科目： 来源：不详 题型：单选题

    I didn’t get into the two-hour quarrel; I know how it ______, though.
    A．would break outB．has broken outC．was breaking outD．had broken out

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    科目： 来源：不详 题型：单选题

    If Newton lived today,he would be surprised by what_____in science and technology.
    A．had discoveredB．had been discovered
    C．has discoveredD．has been discovered

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    科目： 来源：不详 题型：单选题

    They          two free tickets to Canada, otherwise they’d  never have been able to afford to go.
    A．had gotB．gotC．have gotD．get

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    科目： 来源：不详 题型：单选题

    —Have you handed in your schoolwork yet?
    —Yes,I have.I guess it _______ now.
    A．has gradedB．is graded
    C．is being gradedD．is grading

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    科目： 来源：不详 题型：单选题

    —Has your father returned from Africa yet?
    —Yes,but he _______ here for only three days before his company sent him to Australia.
    A．wasB．has beenC．will beD．would be

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    科目： 来源：不详 题型：单选题

    After he had won the first prize, Mr. Su ____ to a restaurant to celebrate with us.
    A．wentB．has goneC．would goD．had gone

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