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    -What’s your grandfather doing? -He’s his book. He can’t find it. A. look at B. looking at C. looking for D. looking 【查看更多】

     

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    －What’s your grandfather doing?

    －He’s ________ his book．He can’t find it．

    [　　]

    A．look at

    B．looking at

    C．looking for

    D．looking

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