He is always the first to know when wHe is always the first to know when we will have holidays.句中to know表什么?为什么要这样用?

分类: 作业答案 • 2022-01-02 15:40:59

问题描述：

He is always the first to know when w
He is always the first to know when we will have holidays.句中to know表什么?为什么要这样用?

答