Our Chinese teacher has a ( )son.
问题描述:
Our Chinese teacher has a ( )son.
A、5 years old
B、5-years-old
c、5-yesr-old
D、5 year old
原因
答
c、5-yesr-old
这是合成形容词,要注意:
1.要用连字符
2.不能用复数(year)