ten years old 和ten-year-old的区别

ten years old 和ten-year-old的区别 ten-year-old ten years old’s的区别,具体怎么用, a ten years old boy和a ten-year-old boy哪个对?为什么? Are you ten years old this year? year-old和years old的区别 She is ten years old.ten years old 属于什么词性?She is a ten-year' Lucy is a _____girl.A.ten years B.ten-years-old C.ten-year-o 一个10岁的男孩是“a ten-year-old boy"还是"a ten years old boy"? 请问怎么用比如：ten year old 我见过有些选择题是这样的 Ten--years--old ( )Eddie is a_______boy.A.a ten-year-old B.a ten-years-old C 10.Mr.Black has a ___.A.ten year old boy B.ten -years old bo Lucy is a __girl from America.A,ten-years-old B,ten-year-old