◎ 题干

---This is a photo of _________ when they were young.
---OK, how happy they both looked!
A.my father and motherB.my mother and father's
C.my mother's and father'sD.my father's and my mother
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---This is a photo of _________ when they were young. ---OK, how happy they both looked!A.my father and motherB.my mother and father'sC.my mother's and father…”主要考查了你对  【可数名词及其单复数】【集合名词】【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。