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    We must note that many people the knowledge of first aid. A. lack B. lack of C. lacking D. are lacking 【查看更多】

     

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    We must note that many people ____ the knowledge of first aid.      
    [     ]
    A. lack              
    B. lack of          
    C. lacking            
    D. are lacking

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    We must note that many people ____ the knowledge of first aid.

    [     ]

    A. lack
    B. lack of
    C. lacking
    D. are lacking

    查看答案和解析>>


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