7. That worker made a serious mistake, _____ _____ he was forced to leave his factory.

8. In the factory there is a transformer（变压器）_____ _____ is painted the word "danger".

9. This is the official _____ _____ we've got the news we need most.

10. Is this the camera _____ _____ he took these photographs?

11. Do you know the lady _____ _____ Mrs Evans went to the party last night?

12. Is there a shop _____ _____ we can buy an English dictionary?

2) 单项填空

1. The shop she usually did her shopping _____ every Saturday has been pulled down for the city center.

A. on B. in C. for D. /

2. Many people who had seen the film were afraid to go to the forest when they remembered the scenes ______ people were eaten by the tiger. (2005 广东)

A. in which B. by which C. which D. that

3. The place ______ the bridge is supposed to be built should be ______ the cross-river traffic is the heaviest.（2005 江苏）

A. which; where B. at which; which

C. at which; where D. which; in which

4. Madam Curie, ________ life was hard at college, was a woman of strong characters and that's why she made her mark in history.

　A. on whom B. in which C. for whose D. for whom

5. Do you really like the girl ________?

　A. whom you often go out B. who you often go out

　C. with who you often go out D. you often go out with

　　三、表示"整体中的部分"或"所有关系（这时of which 或of whom = whose+名词）"时，用介词of.

1. The people, ________ had been damaged by the flood, were given help by the Red Cross.

　A. all of their homes B. all whose homes

　C. whose all homes D. all of whose homes

2. There are 55 students in our class, ______ 24 are girls, _______ are boys.

　A. of which; others B. of which; the rest

　C. of whom; others D. of whom; the rest

China has thousands of islands __________ the largest one is Taiwan.

　A. among them B. of which C. of them D. among of them

America has more than fifty states, ______, Kentucky, is the place _______ Abraham Lincoln was born.

A. one of it; where B. one of which; where

C. one of that; which D. one of which; which

5. It is reported that two schools, ________ are being built in my hometown, will open next year.

A. they both B. which both C. both of them D. both of which

6. I was given three books on cooking, the first _______ I really enjoyed.

A. of that B. of which C. that D. which

　　四、该介词完全要根据要表达的意思来决定

　　1) 用"介词+关系代词"填空

1. Water is a thing _____ ______ fish can swim.