We have a ___ winter vacation every yearA.forty-day B.forty days C. forty-days D. forty-days'说出一下原因来 谢谢.

问题描述:

We have a ___ winter vacation every year
A.forty-day B.forty days C. forty-days D. forty-days'
说出一下原因来 谢谢.

选A, 正确说法是forty-day, 或者是 forty days'

A
forty days (名词词组)做形容词,变成A的形式