Question

【题目】Mr Smith is ______ father. They are twins. ( )

A.Mary's and John'sB.Mary's and JohnC.Mary and John's

Answer 1

【答案】C

【解析】

句意：斯密斯先生是玛丽和约翰的爸爸，他们是双胞胎。两个人共有的A and B’s；两个人分别拥有，A’s and B’s；双胞胎，共同一个爸爸，故选C。