how old is the old woman i think she isA.70-year-old B.70 yearsC.70 year old D 70 years old 说下为什么

分类: 作业答案 • 2021-12-19 16:28:57

问题描述：

how old is the old woman i think she is
A.70-year-old B.70 years
C.70 year old D 70 years old 说下为什么

答

A.......固定搭配

答

70-year-old用于名词前面作定语,如He is a 70-year-old man.
70 years old常用作表语,如He is 70 years old.