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    Butterflies a sweet liquid produced by flowers, which bees and other insects collect. A. carry on B. feed on C. put on D. focus on 【查看更多】

     

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    Butterflies________a sweet liquid produced by flowers，which bees and other insects collect.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2013·湖北，25)

    A．carry on? B．feed on

    C．put on D．focus on

     

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