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    科目： 来源：不详 题型：单选题

    Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ______ new hope to cancer sufferers.
    A．offeringB．showingC．takingD．making

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    科目： 来源：不详 题型：单选题

    New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
    A．is used; not to polluteB．has used; is not polluted
    C．is being used; do not polluteD．has been used; to pollute

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    科目： 来源：不详 题型：单选题

    In the terrible dream he found himself on the surface of a strange animal but it ______ to be his own pillow.
    A．turned outB．turned overC．turned downD．turned off

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    科目： 来源：不详 题型：单选题

    —The dinner was delicious!
    —I agree. I’m so full.
    —That’s too bad. But some dessert ______.
    A．has orderedB．will be ordered
    C．has been orderedD．was going to be ordered

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    科目： 来源：不详 题型：单选题

    “I suppose you _________ that report yet?” “I finished it yesterday, as a matter of fact.”
    A．didn’t finishB．haven’t finishedC．hadn’t finishedD．wasn’t finishing

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    科目： 来源：不详 题型：单选题

    He has changed a lot. He _______ not what he _______.
    A．is, isB．was, was
    C．is, wasD．was, is

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    科目： 来源：不详 题型：单选题

    “You’ve left the light on.” “Oh, so I have. _____ and turn it off.”
    A．I’ll goB．I’ve gone
    C．I goD．I’m going

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    科目： 来源：不详 题型：单选题

    I _______ in London for many years, but I’ve never regretted my final decision to move back to China.
    A．livedB．was living　
    C．have livedD．had lived

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    科目： 来源：不详 题型：单选题

    Ladies and gentlemen, please fasten your seat belts. The plane _______.
    A．takes offB．is taking off
    C．has taken offD．took off

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    科目： 来源：不详 题型：单选题

    I won’t tell the student the answer to the math problem until he ______ on it for more than an hour.
    A．has been workingB．will have worked
    C．will have been workingD．had worked

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