◎ 题干
—_____ your sister often _____ her room? 
—Yes, she does.

A. Do, clean
B. Did, clean
C. Does, clean
D. Did, cleans
◎ 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“—_____ your sister often _____her room?— Yes, she does. [ ]A. Do, clean B. Did, clean C. Does, clean D. Did, cleans …”主要考查了你对  【一般现在时】  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。