Question

【题目】________ mothers couldn't go to the meeting, because they have gone to Shanghai.

A.Mary and Peter's B.Mary and Peter

C.Mary's and Peter D.Mary's and Peter's

Answer 1

【答案】D

【解析】句意：玛丽和彼得的妈妈不能参加会议，因为她们去上海了。此句中“mothers”是复数，表示两个人各自的母亲，分别属于各自的妈妈，则在各个名词词尾都加’s。因此应选D。