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    Better all the lights are turned off before you leave the classroom. A. to be sure B. to make sure C. be sure D. make sure 【查看更多】

     

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    Better _____ all the lights are turned off before you leave the classroom.

       A. to be sure            B. to make sure         C. be sure         D. make sure

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    Better _____ all the lights are turned off before you leave the classroom.

       A. to be sure            B. to make sure         C. be sure         D. make sure

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    Better _____ all the lights are turned off before you leave the classroom.
       A. to be sure      B. to make sure
    C. be sure      D. make sure

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    Better _____ all the lights are turned off before you leave the classroom．

         A．to be sure B．to make sure    C．be sure     D．make sure

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    Better _____ all the lights are turned off before you leave the classroom．

    A．to be sure

    B．to make sure

    C．be sure

    D．make sure

     

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