问题描述：
1．Miss Smith is a friend of _____ ．
A．Mary's mother's B．Mary's mother
C．Mother's of Mary D．Mary Mother's
A/B哪个是对的?为什么?
双重所有格的
A．Mary's mother's B．Mary's mother
C．Mother's of Mary D．Mary Mother's
A/B哪个是对的?为什么?
双重所有格的
问题解答：
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