Will this fish keep until tomorrow?和The best time to make friends is before you need them.until和before 在此分别是介词还是连词?怎么区别?

分类: 作业答案 • 2021-12-19 11:49:05

问题描述：

Will this fish keep until tomorrow?和The best time to make friends is before you need them.
until和before 在此分别是介词还是连词?怎么区别?

答

Will this fish keep until tomorrow?和The best time to make friends is before you need them.until和before 在此分别是 介词 还是 连词?怎么区别?