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    ( )What can we students do the environment? A.to protect B.protected C.protecting D.protects 【查看更多】

     

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    What can we students do _____ the environment?

    A．to protect

    B．protected

    C．protecting

    D．protects

     

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     What can we students do _____ the environment?

      A. protecting      B. protected           C. to protect          D. protects

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