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    He didn’t pass the exam. He regretted harder. A. not having worked B. having not worked C. to have not worked D. not to work 【查看更多】

     

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    He didn't pass the exam. He regretted ____ harder.
    [     ]
    A. not having worked
    B. having not worked
    C. to have not worked
    D. not to work

    查看答案和解析>>

    He didn't pass the exam. He regretted _____ harder.
    [     ]
    A. not having worked
    B. having not worked
    C. to have not worked
    D. not to work

    查看答案和解析>>

    He didn’t pass the exam．He regretted ______ harder．

    A．not having worked                                  B．having not worked

    C．to have not worked                                        D．not to work

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