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    Keys by people for doors. 【查看更多】

     

    题目列表(包括答案和解析)

    Keys are used by people ________ doors.


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

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    将下列句子改为主动句（括号内有词的，用其做主语）

    Keys are used by people for locking doors.

     

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