◎ 题干
Look! He is          in the river.        
[     ]
A. swiming  
B. swim  
C. swims  
D. swimming
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Look! He isin the river. [ ]A. swiming B. swim C. swims D. swimming…”主要考查了你对  【现在进行时,现在分词】  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。