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    19．--What's the matter? --I am having trouble who has taken my book． A．finding B．looking for C．finding out D．looking up 【查看更多】

     

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    —What’s the matter?

    —I am having trouble     who has taken my book.

    A．finding             B．looking for       C．finding out       D．looking up

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    －What’s the matter?

    －I am having trouble ________ who has taken my book．

    [　　]

    A．finding

    B．looking for

    C．finding out

    D．looking up

    查看答案和解析>>


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