◎ 题干
Frank and Mary are my mother's parents. They are my ______.
[     ]
A. grandparents
B. grandfather
C. grandmother
D. uncles
◎ 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“Frank and Mary are my mother's parents. They are my ______. [ ]A. grandparentsB. grandfather C. grandmother D. uncles …”主要考查了你对  【可数名词(单数名词,复数名词)】  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。