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    I have no doubt we shall be able to do something for you. A. whether B. that C. when D. if 【查看更多】

     

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    I have no doubt _________ we shall be able to do something for you.?

    A.whether　　　　　　　B.if　?

    C.that　　　　　　　　　D.what?

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    I have no doubt ________ we shall be able to do something for you．

    [　　]

    A．whether

    B．if

    C．that

    D．what

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