a friend of my sister's是什么意思?
a friend of my sister's是什么意思?
My sister's boy friend是什么意思
She is a friend ( )my sister's
one of my sister's friend 后用加S吗
the,in,girl,my,red,a,friend,is,of,sister's(.)
did a boy friend of my sister's go to the party?这句有错吗
英语名词所有格在表示“我姐姐的朋友” a friend of my sister`s 和my sister`s a fr
She is a friend ( )my sister's.填介词
a friend of Mary's sister 与 a friend of Mary's sister's 有什么区
“A friend of my sister”表达正确吗?
That girl is a friend of( ) A.Mary's sister' B.Mary sister's
-An old friend of my sister's always helps my brother and___