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    I could have helped him out, to tell the truth, I too busy. A. am B. was C. have been D. had been 【查看更多】

     

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      I could have helped him out, to tell the truth, I _____ too busy.

    A. am     B. was     C. have been    D. had been

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      I could have helped him out, to tell the truth, I _____ too busy.

    A．am

    B．was

    C．have been

    D．had been

     

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