问题描述:
That girl is Susan.She is_____.A.a friend of my sisters B.a friend my sisters
C.a friend of my sister
D.a friend of my sister's
选哪个,为什么?
C.a friend of my sister
D.a friend of my sister's
选哪个,为什么?
问题解答:
我来补答展开全文阅读