题目内容
15．He has _____________ daughter named Mary．（ ）| A． | a eight years old | B． | eight-years-old | ||
| C． | an eight-year-old | D． | eight-year-old |
分析 他有一个八岁的女儿叫Mary．
解答 答案C
根据句中daughter为单数名词可知合成词前应用冠词a/an，故排除答案B和D；又因eight为第一个音节为元音，故需用冠词an，故排除答案A；故选答案C．
点评 名词合成有两种表达式：1．多个名词之间用短横线连接，可数名词需用单数，eight-year-old；2．各名词之间不用短横线，可数名词用复数，eight years old．
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