Lucy is a _____girl.A.ten years B.ten-years-old C.ten-year-old D.ten old哪项正确啊?说出原因.ten years old和 ten-year-old 有什么区别啊?

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Lucyisa_____girl.A.tenyearsB.ten-years-oldC.ten-year-oldD.tenold哪项正确啊?说出原因.tenyearsold和ten-year-old有

Lucy is a _____girl.A.ten years B.ten-years-old C.ten-year-old D.ten old哪项正确啊?说出原因.ten years old和 ten-year-old 有什么区别啊?
Lucy is a _____girl.A.ten years B.ten-years-old C.ten-year-old D.ten old
哪项正确啊?说出原因.
ten years old和 ten-year-old 有什么区别啊?

Lucy is a _____girl.A.ten years B.ten-years-old C.ten-year-old D.ten old哪项正确啊?说出原因.ten years old和 ten-year-old 有什么区别啊?
C选项是正确的.
A,B跟D很容易就排除,不存在这样的用法.
Lucy is ten years old.
在这句话中,【ten years old】整个跟在be动词后,作表语.
而在本题中,a _____girl,说明要你填充的是一个形容词,【ten-year-old】就是一个形容词.
与 【ten-year-old】类似的构词还有
a two-week holiday 等

Cten-year-old

C.ten-year-old
ten years old用在Lucy is ten years old.说明她是十岁
ten-year-old是形容词,用在冠词后面

Cten-year-old 形容词