They had a —— vacation.A、two months B、two--months C、two months` D、two month`s

问题描述:

They had a —— vacation.
A、two months B、two--months C、two months` D、two month`s

A

C.

答案:C
这里用的名词的所有格形式,two months` vacation 表示”两个月的假期“.