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    ----A number of students on the playground. ----Let me count. The number of students about 40. A. are; is B. is; are C. are; are D. is; is 【查看更多】

     

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    —A number of students ____ on the playground.  
    —Let me count.  The number of students ____ about 40.
    [     ]
    A. are; is  
    B. is; are  
    C. are; are  
    D. is; is

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