课堂探究

Task1: 找出下列句中的主句、从句、先行词和关系词，然后判断关系词在定语从句中做什么成分。

I still remember the day when we first met three years ago. The hotel where we stayed yesterday was very clean. I don’t know the reason why he was late for school.

We first met on the day three years ago.

We stayed at the hotel yesterday.

He was late for school for the reason.