问题:
Mrs.Black is a friend of ________.
A.Mary’s mother’s
B.Mary’s mother
C.mother’s of Mary
D.Mary mother’s
Mrs.Black is a friend of ________.
A.Mary’s mother’s
B.Mary’s mother
C.mother’s of Mary
D.Mary mother’s
A.Mary’s mother’s
B.Mary’s mother
C.mother’s of Mary
D.Mary mother’s
参考答案: