◎ 题干
There are ________ on the floor.           
[     ]
A. three bag of rice            
B. three bags of rice                      
C. three bags of rices
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“There are ________ on the floor.[ ]A. three bag of riceB. three bags of riceC. three bags of rices…”主要考查了你对  【不可数名词】【复数名词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。