题目内容
9．This is ______________ room．（ ）| A． | Betty's and Kate's | B． | Betty's and Kate | ||
| C． | Betty and Kate's |
分析 这是贝蒂和凯特的房间．
解答 答案：C．考点：名词所有格．在名词所有格的其中一项构成是：两人共同拥有同一物或者人的时候，在最后的名词后面加′s；题干里的房间是"贝蒂和凯特的"，是二人共住着一间；故选C．
点评 在学习中掌握名词所有格的用法（直接加′s；以s结尾的只加′；还有of所有格），拿到题后的再来判断它属于其中的哪一个用法，再做出选择．
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