题目内容
We’ll have a _______holiday. What about going to the Great Wall?
A.three days | B.three-day | C.three-days | D.three-days’ |
B
句意为我们将有一个三天的假期,去长城怎么样?三天的假期应表达为have a three-day holiday ,three-day 为复合形容词,连字符之间应用单数形式。所以选B 。

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