◎ 题干
Rita and Anna have finished their homework, ______?
A. have they   B. haven’t they  C. didn’t they
◎ 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“Rita and Anna have finished their homework, ______? A. have they B. haven’t they C. didn’t they…”主要考查了你对  【反意疑问句】  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。