◎ 题干
---Is ________ mother a teacher? ---Yes, and Lucy and Lily are           .
A.Lucy and Lily’s, twin sistersB.Lucy and Lily’s, twin sister
C.Lucy’s and Lily’s, twin sistersD.Lucy’s and Lily’s, twin sister
◎ 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“---Is ________ mother a teacher?---Yes, and Lucy and Lily are.A.Lucy and Lily’s, twin sistersB.Lucy and Lily’s, twin sisterC.Lucy’s and Lily’s, twin sister…”主要考查了你对  【人称代词】【物主代词】【it的用法】  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。