◎ 题干
What's the boy doing? He ______ in the boat.

A. stands
B. sitting
C. eating
D. is reading a book
◎ 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“What's the boy doing? He ______ in the boat. [ ]A. stands B. sitting C. eating D. is reading a book …”主要考查了你对  【实义动词的现在分词】【系动词】【现在进行时】  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。