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    科目： 来源： 题型：单选题

    Metal ______making machines and many other things.


    1. A.
      used to
    2. B.
      is used for
    3. C.
      is used as
    4. D.
      is used to

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    科目： 来源： 题型：单选题

    We waited hours for a taxi．We gave up ________ and walked home．


    1. A.
      at the beginning
    2. B.
      in the end
    3. C.
      at first
    4. D.
      at least

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    科目： 来源： 题型：单选题

    We’ll never give up our plan ________ happens.


    1. A.
      however
    2. B.
      whatever
    3. C.
      whenever
    4. D.
      wherever

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    科目： 来源： 题型：单选题

    ________, they made out a software program with the old machine.


    1. A.
      At last
    2. B.
      At once
    3. C.
      At first
    4. D.
      At times

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    科目： 来源： 题型：单选题

    When did Mr. Smith ________ Shanghai?


    1. A.
      get
    2. B.
      arrive
    3. C.
      arrive at
    4. D.
      arrive in

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    科目： 来源： 题型：单选题

    You are writing, ________?


    1. A.
      aren't you
    2. B.
      don't you
    3. C.
      isn't he
    4. D.
      are you

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    科目： 来源： 题型：单选题

    The students are writing ________ some new words．


    1. A.
      to
    2. B.
      down
    3. C.
      in
    4. D.
      up

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    科目： 来源： 题型：单选题

    This is _____________ interesting story and it is also _____________ useful one.


    1. A.
      an…an
    2. B.
      an…the
    3. C.
      an…a
    4. D.
      a…a

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    科目： 来源： 题型：单选题

    Why not ____________ in bed and have a rest?


    1. A.
      stay
    2. B.
      to stay
    3. C.
      staying
    4. D.
      stays

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    科目： 来源： 题型：单选题

    I can't decide ________ to answer her letter.


    1. A.
      if
    2. B.
      whether
    3. C.
      what
    4. D.
      which

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