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    Now more and more people have come to know the role that trees in our natural environment. A. do B. take C. play D. work 【查看更多】

     

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    Now more and more people have come to know the role that trees _____in our natural environment.
    [     ]
    A. do
    B. take            
    C. play              
    D. work

    查看答案和解析>>

    Now more and more people have come to know the role that trees _____in our natural environment.
    [     ]
    A. do
    B. take            
    C. play              
    D. work

    查看答案和解析>>


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