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    20．You the light．It’s bright enough here．We can see everything clearly．A．mustn’t turn off B．must turn on C．needn’t turn on D．may turn on 【查看更多】

     

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    You ________the light．It’s bright enough here．We can see everything clearly．


    1. A.
      mustn’t turn off
    2. B.
      must turn on
    3. C.
      needn’t turn on
    4. D.
      may turn on

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