◎ 题干
What do you do when it _____?
--- I often stay at home and read books.
A.rainingB.rainC.rainsD.is rains
◎ 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“What do you do when it _____? --- I often stay at home and read books.A.rainingB.rainC.rainsD.is rains…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。