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    ( ) -I don’t think we have met before. -Yes, once at a party, but we . A. weren’t introduced B. didn’t introduced C. haven’t introduced D. weren’t introducing 答案: A 【查看更多】

     

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     — I don’t think we have met before. 

    — Yes, once at a party, but we _______.

    A. didn’t introduce                                   B. weren’t introduced

    C. haven’t introduced                                 D. weren’t introducing

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    — I don’t think we have met before.

    — Yes, once at a party, but we _______.

    A. didn’t introduce B. weren’t introduced

    C. haven’t introduced　 　　　　　　　　　　　　　　　 D. weren’t introducing

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    －I don't think we have met before.

    －Yes, once at a party, but we ________.

    [　　]

    A．weren't introduced
    B．didn't introduced
    C．haven't introduced
    D．weren't introducing

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