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    He opened the envelope, the letter and began to read it. A. unfolding B. folding C. unfolded D. folded 【查看更多】

     

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    He opened the envelope, ________ the letter and began to read it.

    A．unfolding

    B．folding

    C．unfolded

    D．folded

     

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    He opened the envelope, ________ the letter and began to read it.

    A．unfolding

    B．folding

    C．unfolded

    D．folded

     

    查看答案和解析>>


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