题目内容
【题目】This is ____________ bedroom. They both like it very much.
A. Mary and Helen B. Mary's and Helen's C. Mary's and Helen D. Mary and Helen's
【答案】D
【解析】
句意:这是玛丽和海伦的卧室,她们都非常喜欢它。根据句意可知用名词的所有格,若一样东西两人共有,后一个加's,如果不共有,各自加's,根据bedroom.单数,可知是两人共用;故选D
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