为你解答.
1 这是你昨天丢失的小刀.
This is the knife which you lost yesterday.
2.这是我读过最好看的小说.
This is the best novel that I have ever read.
3.我把姐姐给我买的字典丢了.
I lost the dictionary which my sister bought for me.
4.大米是一种在南方种植的植物.
Rice is a kind of plant which is grown in the south.

5.她就是上个星期给我们做报告的女子.
She is the woman who gave us a talk last week.
6.那个篮球打得好的男孩,是我们的班长.
The boy who plays basketball wll is our monitor.
7.那位和你谈话的女士是康康的妈妈.
The lady who talked to you is Kangkang's mother.
8.那本封面是红色的书是一本英语书.
The book whose cover is red is an English book.
9.我在学校学的东西全部忘记了.
I have forgotten all the things that I learned at school.
10.他是我今天早晨遇到的第一个人.
He was the first person that I met this morning.
11.我永远不会忘记第一次到这的那天.
I will never forget the day when I got here for the fist time.
12.这是他去年住的那间房间.
This is the room where he lived last year.