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    科目： 来源： 题型：单选题

    Do you ________ pollution?


    1. A.
      worry
    2. B.
      worried
    3. C.
      worries
    4. D.
      worry about

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    科目： 来源： 题型：单选题

    We reuse our plastic bags, ________.


    1. A.
      too
    2. B.
      either
    3. C.
      also
    4. D.
      maybe

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    科目： 来源： 题型：单选题

    I think cars and big factories ________ the most pollution.


    1. A.
      make
    2. B.
      makes
    3. C.
      making
    4. D.
      made

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    科目： 来源： 题型：单选题

    I try ________ waste water.


    1. A.
      not to
    2. B.
      to
    3. C.
      to not
    4. D.
      no not

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    科目： 来源： 题型：单选题

    A truck ________ the cans.


    1. A.
      pick
    2. B.
      picks up
    3. C.
      pick up
    4. D.
      picked

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    科目： 来源： 题型：单选题

    Children like ________ snowmen.


    1. A.
      make
    2. B.
      to make
    3. C.
      to making
    4. D.
      to made

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    科目： 来源： 题型：单选题

    It was windy last night, ________ ________?


    1. A.
      isn't it
    2. B.
      is it
    3. C.
      wasn't it
    4. D.
      was it

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    科目： 来源： 题型：单选题

    Must we hand in our homework today? No, you ________.


    1. A.
      mustn't
    2. B.
      needn't
    3. C.
      can't
    4. D.
      don't

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    科目： 来源： 题型：单选题

    Mary is very happy ________ her new bicycle．


    1. A.
      of
    2. B.
      with
    3. C.
      on
    4. D.
      by

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    科目： 来源： 题型：单选题

    ________, Mr Zhang decided ________ his computer to the computer shop．


    1. A.
      In the end, to return back
    2. B.
      In the end, to return
    3. C.
      In the end of, to return back
    4. D.
      In the end of, to return

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