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    The graduating students are busy material for their reports. A.collect B.to collect C.collected D.collecting 【查看更多】

     

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    The graduating students are busy                 material for their reports. 

    A. collect             B. to collect              C. collected              D. collecting

     

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    The graduating students are busy _______ material for their reports.

    A．collect　

    B．to collect　

    C．collected　

    D．collecting

     

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    The graduating students are busy _______ material for their reports.

    A．collect　B．to collect　C．collected　D．collecting

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    The graduating students are busy _______ material for their reports.

    　A. collect　               B. to collect　               C. collected　                     D. collecting

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    The graduating students are busy _______ material for their reports.

    　A. collect　               B. to collect　               C. collected　                     D. collecting

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