how old is the old woman i think she isA.70-year-oldB.70 yearsC.7_英语解答

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

人气：420 ℃　时间：2019-10-31 18:29:22

解答

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.