双重所有格的问题Miss Smith is a friend of Mary’s mother’s 这里的Mary’s

miss smith is a friend of mary‘s mother’s Miss Smith is a friend of A．Mary's mother's B．Mary's mother Miss Green is a friend of Mary's mother's 这里为什 Miss Green is a friend of（ ） A.mary's mother's B.mary's moth Miss Green is a friend of _______.A.Mary’s mother’s B.Mary’s 初三一道英语题Miss Green is a friend of（ ）A.mary's mother's B.mary' Mr Black is a friend of ____. A. Mary's mother B.Mary's moth 一道英语问题一.单项选择.1.Tony is a friend of .A.Mary's mother's.B.moth 英语的Mary is the apple of her mother's Mrs,Sun is a friend of ,A,Mary’s mother,B,m That girl is a friend of( ) A.Mary's sister' B.Mary sister's The girl talking to Mary is a friend of (Mary's sister's).括号