eight-year-old和eight years old做选择题时该怎么看

分类: 作业答案 • 2021-12-20 11:51:03

问题描述：

答

eight-year-old,通常用在名词前,作定语
eight years old,通常用在be动词后,作表语
His brother is eight years old.
The eight-year-old boy is his brother.