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    It has become a nationwide requirement that every student have daily exercise for one hour. A. must B. should C. will D. need 【查看更多】

     

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          —It has become a nationwide requirement that every student__________ have daily exercise for one hour.

      —Yeah. It is high time that we__________ special attention to physical exercise.

    A．must；should pay         B．should；paid          C．will；shall pay        D．should；pay

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