we will have a ______ holiday in may soon.what about going to the_英语解答

we will have a ______ holiday in may soon.what about going to the west lake
A.three days B.three-days C.three-days' D.three-day
why?

人气：189 ℃　时间：2019-08-20 00:54:27

解答

D
数词与名词组成的复合形容词,用‘-’ 连接,名词不能用复数