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    The chemistry teacher was standing by the desk, explaining the exercises the students had done at home. A./ B. to C. for D. with 【查看更多】

     

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    The chemistry teacher was standing by the desk, explaining the exercises ________ the students had done at home．


    1. A.
      /
    2. B.
      to
    3. C.
      for
    4. D.
      with

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    The chemistry teacher was standing by the desk, explaining the exercises ________ the students had done at home．

    [　　]

    A．/

    B．to

    C．for

    D．with

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