We booked rooms at the hotel lest we should find no vacancies on our arrival.这should是什么语法

分类: 作业答案 • 2022-03-06 21:28:11

问题描述：

We booked rooms at the hotel lest we should find no vacancies on our arrival.这should是什么语法
这边的should用了哪一条语法?

答

虚拟语气……