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    I the dinner already. A. had cooked B. cooked C. have cooked D. cook 【查看更多】

     

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    By the time my parents reached home, I ______ the dinner already.

    A. had cooked

    B. cooked

    C. have cooked

    D. cook

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    By the time my parents reached home yesterday, I ________ the dinner already．

    [　　]

    A．had cooked

    B．cooked

    C．have cooked

    D．cook

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    By the time my parents reached home yesterday, I _____ already _____ the dinner. 
    [     ]
    A. had; cooked
    B. / ; cooked
    C. have; cooked
    D. did; cook

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