we will have a ()holiday ,what about going tothe Great wall?A five days B five-days C five-day

题目

we will have a ()holiday ,what about going tothe Great wall?A five days B five-days C five-day
D five day's

答案

答案：C
这是一种构词法,即由数词-名词-形容词,中间用连字符连接的,相当于形容词.注意不管数词是多少,后面的名词都是单数.
翻译：我们将有一个五天的假期,去长城怎么样?
还有其它的例句,如
He is a ten-year-old boy.他是一个十岁的男孩.
有不明白的请继续追问,