◎ 题干
My brother _____while I ______.
A.reads; was doing my homework
B.read; did my homework
C.was reading; was doing my homework
D.was reading; did my homework
◎ 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“My brother _____while I ______.A.reads; was doing my homeworkB.read; did my homework C.was reading; was doing my homeworkD.was reading; did my homework…”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。