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    I am busy now, so I can’t help the machine. A. repair B. to have repaired C. repairing D. fixing 【查看更多】

     

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    I am busy now, so I can’t help ______ the machine.

    A. repair       B. to have repaired   C. repairing        D. fixing

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    I am busy now, so I can't help ______ the machine.

    　　A. repair       B. to have repaired   C. repairing        D. fixing


    查看答案和解析>>


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