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    In the quiet darkness, I could hear someone the door and go upstairs. A. open B. to open C. opened D. to be opening 【查看更多】

     

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    In the quiet darkness, I could hear someone _______ the door and go upstairs.

    A. open     B. to open    C. opened   D. to be opening

    查看答案和解析>>

    In the quiet darkness, I could hear someone _______ the door and go upstairs.

    A. open     B. to open    C. opened   D. to be opening

    查看答案和解析>>

    In the quiet darkness, I could hear someone _______ the door and go upstairs.

    A. open     B. to open    C. opened   D. to be opening

    查看答案和解析>>

    In the quiet darkness, I could hear someone _______ the door and go upstairs.

    A．open

    B．to open

    C．opened

    D．to be opening

     

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