a five days' holiday还是a five-day holiday

a five days' holiday还是a five-day holiday We’ll have a ___________ holiday A；five day's B;five-days;C we have a five-day holiday 改错1we'll have a five days holiday on National Day Tony will have a _______(five days long) holiday. we will have a -holiday.what about going to FIVE?A,five days We’ll have a ___________ holiday.A five day’s B five-day C f five day'还是five days'? a three—day holiday a three days holiday 为什么不能说we will have a five days holiday.what about going to s have five-days holiday错在什么地方 boys and girls,we’ll have a five-day holiday next week.great