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    We watching TV C we caught sight of a friend of ours . A. as soon as B. while C. when D. once 【查看更多】

     

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     We are watching TV ______ we caught sight of a friend of ours .

    A. as soon as        B. while           C. when           D. once

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    We are watching TV ______ we caught sight of a friend of ours .

    A．as soon as

    B．while

    C．when

    D．once

     

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