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    ( ) I can see some balls, and they are the floor. A. in B. to C. on D. at 【查看更多】

     

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    I can see some balls, and they are               the floor.
    [     ]
    A. in        
    B. to      
    C. on

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    I can see some balls, and they are _____ the floor.

    [     ]

    A. in
    B. to
    C. on

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