问题
Good news.We will have a _______holiday. –I’ve heard of it.But it’s coming in_______.
A:three days;three days’ time
B: three days’;three days’
C:three-day;threedays
D:threedays;three-day time
B: three days’;three days’
C:three-day;threedays
D:threedays;three-day time
正确答案是：
