27.MissSmithisafriendof.A.Mary‘smother’sB.Mary‘smotherC.Mother’sofMaryD.Marymother‘s

Question

27.Miss Smith is a friend of ______.
A.Mary‘s mother’s B.Mary‘s mother
C.Mother’s of Mary D.Mary mother‘s

Answer 1

答案是A.
首先of后面要跟一个可以充当宾语的成分,这样语法才对.而mother's是名词形式.
人称的变化如下：主格 he/she 宾格（相当于名词）him/her 所有格（相当于形容词）his/her
然后我们平时很常用的是a friend of mine 这个mine就是一个代词 可以充当宾语