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    I told Mary how to get here, but perhaps I for her. A. had to write it out B. must have written it out C. should have written it out D. ought to write it out 【查看更多】

     

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    I told Mary how to get here, but perhaps I ________ for her.

    [　　]

    A．had to write it out
    B．must have written it out
    C．should have written it out
    D．ought to write it out

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