Good news.We will have a ____holiday.I have heard of it ,But it is coming in____

题目

Good news.We will have a ____holiday.I have heard of it ,But it is coming in____
A three days ,three days' time
B three days' ; three days
C three-day ;three days
D three days; three-day time

答案

C
表达“几天的”用 连词符的形式,并且用单数,例如“八岁的”eight - year - old.
后面的空表达的是时间段,就是“三天”three days