◎ 题干
My parents _____ teachers.

A. are all
B. are both
C. all are
D. both are
◎ 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 parents _____ teachers. [ ]A. are all B. are bothC. all are D. both are …”主要考查了你对  【不定代词】  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。