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    Everyone must make a contribution protecting our environment . A. For B. with C. to D. of 【查看更多】

     

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    Everyone must make a contribution                protecting our environment.    
    [     ]
    A. about                        
    B. with    
    C. to                            
    D. for

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    Everyone must make a contribution ________ protecting our environment.

    A. about

    B. with

    C. to

    D. for

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    Everyone must make a contribution ________ protecting our environment.

    [　　]

    A．for
    B．with
    C．to
    D．of

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