Question

We'll have a___holiday.what about going to the west lake?

A.two days
B.two-days
c.two-day
D.two-days'
请告诉我为什么选这个答案？其它的答案为什么不可以选？

Answer 1

C

表示 2天的假期用 two-day holiday, 或： two days' holiday

希望对你有帮助，有不明白的地方再问哟！ (*^__^*)

追问

two-day是形容词吗？所以才可以修饰holiday？
比如说，He is a____boy.so he can't go to the park by himself.
six-year-old和six years old。那我应该选前者吗？那后者是什么性质呢？

追答

你的理解很正确呀，就用six-year -old

Answer 2

c
数字与名词组成的复合形容词用‘-’连接，名词不能加S