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    I’m sorry you enough help. A. have given B. of not giving C. not to have given D. to have given 【查看更多】

     

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    I’m sorry ____ you enough help. 

    A. have given                  B. of not giving     C. not to have given  D. to have given

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     I’m sorry ____ you enough help. 

    A．have given

    B．of not giving

    C．not to have given

    D．to have given

     

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