(1). The man _____ helped me yesterday is my neighbor.
A. who B. whom C. whose D. which
(2). Is there anyone _____ you can trust in this city?
A. who B. whom C. whose D. which
(3). The book _____ I borrowed from the library is very interesting.
A. who B. whom C. whose D. which

(1). Do you remember the restaurant _____ we had dinner last night?
A. where B. when C. why D. which
(2). This is the day _____ we've been waiting for.
A. where B. when C. why D. which
(3). I can't understand the reason _____ she left without saying goodbye.
A. where B. when C. why D. which
Tom was late, ________ surprised me.(that/which)
Jane tore up my photo, _________upset me. (that/which)
Tell me all things _______ you know. (that/which)
The only thing _______we should do is to find our way home. (that/which)
练习一
1.Here are the questions, some of_which_I thought too difficult for you.
2.Here are the questions, and some of__them_I thought too difficult for you.
3.Last Sunday I bought some books from the physical bookstore, three of _which_ were English novels.
4.He has four daughters, the tallest of_whom_is Lily.
5. There was a time_when_books were the main source of information and entertainment.
6.Our school will hold an activity,_which_ is themed Green Life.
7.Our school held an activity,_where_we gained a lot experience.
8.Our school held an activity, through _which_not only did we learn a lot about Chinese culture, but also we made new friends.
练习二.
1 The girl is happy. She has won the race.
The girl who has won the race is happy.
2. The student is from America. He sits next to me.
The student who sits next to me is from America.
3. The boy was not badly hurt. The boy fell from a tree.
The boy who fell from a tree was not badly hurt.
4.Jack was fired from his job. That surprised all his co-workers.
Jack was fired from his job,which surprised all his co-workers.
5. Monday is the day. We will come on that day.
Monday when we will come is the day.
6. The city was beautiful. We spent our vacation there.
The city where we spent our vacation was beautiful.
7. The town is small. I grew up there.
The town where I grew up is small.
8. This is the house. They put their tools in it.
This is the house in which they put their tools.
练习三. 翻译句子
1.你昨天借给我的那本书很有趣。
The book that you lent me yesterday is very interesting.
2.告诉我今天早晨你迟到的原因。
Tell me the reason why you were late this morning.
3. 众所周知,保护环境很重要。
As is known to all, protecting the environment is vitally important.
4. 曾经一度我和同桌相处得很好。
There was a time when I got along well with my deskmate.
5. 曾经有一段时间我痴迷于电脑游戏。
There was a time when I was addicted to playing the computer games.
6. 他考试不及格的原因是他不努力.
The reason why he failed the exam is that he didn’t work hard enough.
7. 他成为冠军的原因是他训练地非常努力。
The reason why he became the champion is that he trained so hard.
8. 正如谚语所说,有志者事竟成。
As the old saying goes, where there’s a will, there’s a way.
9. 正如我们所预料的,他在工作中取得了巨大的进步。
As we expected, he made a great progress in his work.
10. 众所周知,魏县以鸭梨出名。
As is known to all, Wei county is famous for pears.