问题补充:
----Who is the man in the blue car?
----He is father.
A. Kate’s and Mary’s
B. Kate and Mary’s
C. Kate and Mary
D. of Kate and Mary’s
答案:
A. Kate’s and Mary’s
(答案→)B. Kate and Mary’s
C. Kate and Mary
D. of Kate and Mary’s
解析:句意为:---在蓝色小车里的人是谁?---他是凯特和玛丽的父亲。若一样东西为两人共有,则只在后一个名词后面加“’s”,如果不是共有的,两个名词后都要加“’s”。根据语境,father用的是单数,因此应为两人共有。故选B。