1，我永远忘不了我入共青团那一天。
I would never forget the day on which I joined the communist youth league
2，我现在还清楚的记得我来一中那一天。
I still remember the day when I came to the No.1 middle school.
3，这家工厂就是我们去年参观的那一个吗？
Is this the factory which we visited last year?
4，这是你父亲工作的那件工厂吗？
Is this the factory in which your father works?
5，你找到丢钱包的那个学生了吗？
Do you find the student who lost the wallet?
6，这本书它的书皮破了，不是我的。
This book whose cover was broken is not mine.
7你认识哪个给我们老师说话的人吗？
Do you know the one who is talking with our teacher?
8，我切面包的那把小刀很锋利。
The knife which I cut bread with is very sharp.
9那就是我为什么拒绝在会上发言的原因。
This is the reason why I refused to speak in the meeting.
10，他的狗，当时年纪大了，生病死了。
His dog that was very old died of illness.