问：Peter is a boy.he is 15 years old.答：peter is a 15-year-old boy问：joey is dressed in red clothes.答：joey is in red clothes问：my uncle owns the big house答：the big house belongs to my uncle.这些句子为什么要这样改？
问题描述：
问：Peter is a boy.he is 15 years old.
答：peter is a 15-year-old boy
问：joey is dressed in red clothes.
答：joey is in red clothes
问：my uncle owns the big house
答：the big house belongs to my uncle.
这些句子为什么要这样改？
答
没有原因 这就是英语固定的统一句型 你只要记住就行了
答
Peter is a boy ,he is 15 years old.彼得是一个男孩,他15岁Peter is a 15-year-old boy.同意句转换,两句合为一句：彼得是一个15岁的男孩.15-yaer -old分别用连词符连接表示15岁的,year,old都不能加s.Joey is dresse...