问题描述：
Who's that man?He's ________ brother
A:Tony father's
B:Tony's father
C:Tony's father's
D:Tony father
(答案是C,可是不是不可以在一个句子中出现两个…'s 的么?
A:Tony father's
B:Tony's father
C:Tony's father's
D:Tony father
(答案是C,可是不是不可以在一个句子中出现两个…'s 的么?
问题解答：
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