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    科目： 来源：不详 题型：单选题

    We need to think outside of box _____ we are to come up with something really new.?
    A．so thatB．as long as?
    C．onceD．if?

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    科目： 来源：不详 题型：单选题

    .— Was it there ____you were away to answer the phone??
    —There is no doubt about it.
    A．thatB．whichC．whileD．where?

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    科目： 来源：不详 题型：单选题

    How can you expect to get anything____ you never give??
    A．in caseB．even if
    C．unlessD．when?

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    科目： 来源：不详 题型：单选题

    We should be able to do the job for you quickly, ____you give us all the necessary information.?
    A．in caseB．so long as?
    C．if onlyD．as far as?

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    科目： 来源：不详 题型：单选题

    Many people can not learn any lessons from the mistakes____they get hurt somehow.?  
    A．whetherB．unlessC．ifD．when?

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    科目： 来源：不详 题型：单选题


    He waited until it was dark ____ nobody could see him clearly.
    A．so thatB．in order toC．althoughD．However

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    科目： 来源：不详 题型：单选题


    Last night, before the exam, I went over the lessons_______I couldn’t keep my eyes open to stay awake any longer．
    A．before B．until C．unless D．when

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    科目： 来源：不详 题型：单选题


    I can still remember that it is since the 1990’s, _____ we began to use cell phones,_______ the number of mobile users has greatly increased．
    A．while; when B．when; whatC．before; that D．when; that

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    科目： 来源：不详 题型：单选题


    Well, you can buy $20 tickets or 30 $ tickets, ______ you prefer．
    A．which B．whichever C．whateverD．what

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    科目： 来源：不详 题型：单选题

    People in Chongqing are proud of       they have achieved in the past ten years.
    A．thatB．which
    C．whatD．how

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