关系副词引导的定语从句

1) 由when 引导的定语从句
* I'll never forget the days when I worked with you. 我永远不会忘记我与你共事的日子。
* Can you still remember that evening when we met for the first time? 你还记得我们第一次见面的那个晚上吗？

2) 由 where 引导的定语从句
* This is the town where I was born. 这是我出生的城市。
* She would like to live in a country where it never snows. 　她喜欢住在不下雪的国家。
* Who can think of a situation where this phrase can be used? 谁能想出用这个短语的情况？
* Her career has reached the stage where she must decide what to do next. 她的事业已经到了必须决定下一步该怎么办的阶段。
* I've come to the point where I can't stand him. 我已经到了无法忍受他的地步。

3) 由 why 引导的定语从句
* I don't know the reason why he didn't tell it to his father. 我不明白为什么他没有把这件事告诉他父亲。
* That's the reason why she left home. 那就是她离家出走的原因。
* Is this the reason why he refused our offer?　这就是他拒绝我们帮助他的理由吗？
* We can't accept the excuse why you were absent. 我们无法接受你缺席的借口。
* This is the explanation why they put off the meeting. 这是他们为何推迟会议的解释。