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    科目： 来源：不详 题型：单选题

    ______ you eat the correct foods ______ be able to keep fit and stay healthy.
    A．only if; will youB．Only if; you will
    C．Unless; will youD．Unless; you will

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    科目： 来源：不详 题型：单选题

    I have been living in the United States for twenty years ,but seldom _____ so lonely as now.
    A．have I feltB．I had feltC．I have feltD．had I felt

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    科目： 来源：不详 题型：单选题

    _______ that Marie was able to set up new branches elsewhere.
    A．So successful her business wasB．So successful was her business
    C．So her business was successfulD．So was her successful business

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    科目： 来源：不详 题型：单选题

    So much of  interest ___ that most visitors simply run out of time before seeing it all.
    A．offers BeijingB．Beijing offers
    C．does Beijing offerD．Beijing does offer

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    科目： 来源：不详 题型：单选题

    Only when their children leave home _________.
    A．many parents did feel a sense of lossB．did many parents feel a sense of loss
    C．did feel many parents a sense of lossD．do many parents feel a sense of loss

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    科目： 来源：不详 题型：单选题

    _______,but it is also a great way to lower the number of greenhouse gases in the air.
    A．Not only a fun thing is it to doB．Not only a fun thing to do it is
    C．Not only it is a fun thing to doD．Not only is it a fun thing to do

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    科目： 来源：不详 题型：单选题

    It was announced that only when the fire was under control ___ to return to their homes.
    A．the residents would be permittedB．had the residents been permitted
    C．would be residents be permittedD．the residents had been permitted

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    科目： 来源：不详 题型：单选题

    Bill wasn’t happy about the delay of the report by Jason, and ______.
    A．I was neitherB．neither was IC．I was eitherD．either was I

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    科目： 来源：不详 题型：单选题

    Only ______ do the job and only in this way _____ do the job well.
    A．can you; can youB．you can; can youC．you can; you canD．can you; you can

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    科目： 来源：不详 题型：单选题

    ——Did you know any French before you arrived in Washington?
    ——Never ____ it, actually.
    A．had I learnedB．have I learned
    C．I have learnedD．I had learned

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