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    -I posted the letter a week ago. -Then they the letter by now. It usually takes four days. A．can have received B．must receive C．should receive D．ought to have received 【查看更多】

     

    题目列表(包括答案和解析)

    －I posted the letter a week ago.

    －Then they ________ the letter by now. It usually takes four days.

    [　　]

    A．can have received

    B．must receive

    C．should receive

    D．ought to have received

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    －I posted the letter a week ago．

    －Then they ________ the letter by now．It usually takes four days．

    [　　]

    A．must receive

    B．can have receive

    C．should have receive

    D．ought to have received

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