Use a relative pronoun to combine each pair of the sentences. If the relative pronoun can be omitted, write it in brackets :

1. Professor Wilson is an excellent lecturer. He teaches Chemistry. Professpr Wilson ,who teaches Chemistry, is an excellent lecturers.

2. The man is a famous actor. You met him at the party last night. The man whom you met at the party last night is a famous actor.

3. There are some words. They are very difficult to translate. There are some words which are difficult to translate.

4. The student writes well. I read her composition.  The student whose composition I read writes well.

5. Jim’s sister is a famous architect. You met her yesterday.  Jim's sister ,whom you met yesterday, is a famous architect.

6. I received two job offers. I accepted neither of them. I received two job offers,neither of which I accepted. 

7. I was looking for a book this morning. I’ve found it now.  I was looking for a book this night which I have found now.

8. Mrs. Smith does volunteer work at the hospital. She is a retired teacher.  Mrs. Smith, who is retired teacher, does voluteer work at the hospital.

9. I live in a dormitory. Its residents come from many countries. I live in a dormitory whose resients come from many countries.

10. Lake Prespa is a lonely beautiful lake. It’s on the north Greek border.  Lake Prespa, which is on the north Greek border, is a lonely beautiful lake.

11. The police blocked off the road. It caused a traffic jam. The police bloked off the road, which caused a traffic jam.

12. Felix Reeve is a journalist. His tape recorder was stolen. Felix Reeve ,whose tape recorder was stolen, is a journalist.

13. The famous picture is worth thousands of pounds. It was damaged during the war. The famous picture which was damaged during the war is worth thousands of pounds.

14. The village has around 200 people.The majority of them are farmers. The village which the majority of them are farmers has around 200 people.

15. I don’t know the name of the woman. I spoke to her on the phone. I don't know the name of the woman whom i spoke to on 30 miles away.

16. We often go to visit our friends in Bristol. It is only 30 miles away. We often go to visit our friend in Bristol which is only 30 miles away.

17. I have to call the man. I accidentally picked his umbrella up after the meeting.

 I have to call the man whose umbrella i accidentally picked up after the meeting.

18. Louis knows the woman. The woman is meeting us at the airport tomorrow. Louis knows the woman who is meeting us at the airport tomorrow.

19. The scientist has won the Nobel Prize. He discovered a new planet. The scientists who discovered a new plane has won the Nobel Prize.

20. The river is the Wye. It flows through Hereford. The river which flows through hereford is the Wye.

21. We climbed to the top of the tower. We had a beautiful view from here. We climbed to the top of thee tower where We had a beautiful view from.

22. A few days ago I met Diana. I hadn’t seen her for ages. A few days ago I met Diana, whom I hadn't seen for ages

23. This is a photograph of our friends. We went on holiday with these friends.

 This is a photograph of our friends, whom we went on holiday with

1. Professor Wilson who teaches Chemistry is an execellent lecturer

2. The man whom you met at the party last night is a famous actor

3. There are some words which are very difficult to translale

4. The student whose composition I read writes well

5. Jim's sister whom you met yesterday is a famous architect

6. I accepted neither of two job offers which I received

7. I've found the book which I was looking for this morning now

8. Mrs Smith who does volunteer work at the hosptial is a retired teacher

9. I live in a dormitory whose resident come from many countries

10. Lake Prespa which is on the north Greek border is lonely beautiful lake

11. The police blocked off the road which caused a traffic jam

12. Felix Reeve whose tape recorder was stolen is a journalist

13.  This famous picture which was damaged during the war is worth thousands of pound

14. The village has around 200 people whom the majority of are famers

15.  I don't know the name of the woman whom I spoke to on the phone

16. We often go to visit our friends in Bristol which is only 30 miles away

17. I have to call the man whose umbrella I accidentally picked up after the meeting

18. Louis knows the woman who is meeting us at the airport tomorrow

19. The scientist, who discovered a new planet, has won the Nobel Prize

20. The river, which flows through Hereford, is the Wye

21.We climbed to the top of the tower where we had a beautiful view from

22. A few days ago I met diana, whom i hadn't seen for ages

1 A dictionary is book which gives you the meaning of the words

2 The man whom i talked to yesterday was very kind

3 Nam, whose father's death made him sad a lot, is an excellent student

4 Do you know the children who are playing soccer in the stadium?

5 The little boy who is crying over there lost his way

6 Kim lien, where ho chi minh was born and lived, is a village

7 Ha Noi, where many customs are still on, is an ancient city

8 Vu Quoc Viet, whose works I love very much, is a famous artist

9 Teacher's day is a day when all the students show their gratitude to their teacher 

10 Quynh Dao, whose works are widely read all over the world, is a famous writer

Tom has 3 sisters, all of whom are married

I recently went back to Paris where I was born nearly 30 years ago

I recently went back to Paris where it's as beatiful as a pearl

7Tom has three sisters, all of whom are married.

8I recently went back to Paris where I was born nealy 30 years ago.

9I recently went back to Paris, which is still as beatiful as a pearl.

1. The student is from China. He sits next to me.

The student who sits next to me is from China.

2. I thanked the woman. This woman had helped me.

I thanked the woman who had helped me.

3. The professor is excellent. I'm taking his course.

The professor whose course I am taking is excellent.

4. Jim passed the exam. This surprised everybody.

Jim passed the exam, which surprised everybody.

5. Mr Smith said he was too busy to speak to me. I had come to see him.

Mr. Smith, who I had come to see, said he was too busy to speak to me.

6. The man is my father. I respect this man most.

The man whom I respect most is my father.

7. The man is my father. I respect his opinions most.

The man whose opinions I respect most is my father.

8. I saw a lot of people and horses. They went to market.

I saw a lot of people and horses that went to market.

9. Tom has three sisters. All of them are married.

Tom has three sisters, all of whom are married.

10. I recently went back to Paris. It is still as beautiful as a pearl.

 I recently went back to Paris which is still as beautiful as a pearl.

11. I recently went back to Paris. I was born in Paris nearly 50 years ago.

 I recently went back to Paris where I was born in Paris nearly 50 years ago.

12. She is the most intelligent woman. I've ever met this woman.

She is the most intelligent woman whom I've ever met.

13. This doctor is famous. You visited him yesterday.

The doctor whom you visited yesterday is famous.

14. Do you know the music? It is being played on the radio.

Do you know the music which is being played on the radio.

15. The police want to know the hotel. Mr Foster stayed there two weeks ago.

The police want to know the hotel where Mr Foster stayed two weeks ago.

16. You didn't tell us the reason. We have to cut down our daily expenses for that reason.

You didn't tell us the reason why we have to cut down our daily expenses.

17. The day was rainy. She left on that day.

The day when she left was rainy.

18. The reason hasn't been told yet. The president will come to that city for this reason.

The reason why the president will come to that city hasn't been told yet.

19. Phuong Thao is a singer. You like her music best.

Phuong Thao, whose music you like best, is a singer. 

20. She couldn't come to the party. This is a pity.

She couldn't come to the party, which is a pity.

21. I've sent him two letters. He has received neither of them.

I've sent him two letters, neither of which he has received.

22. That man is an artist. I don't remember the man's name.

That man, whose name I don't remember, is an artist.

3. The reason is not valid. You gave it yesterday.

The reason which you gave yesterday is not valid. 

24. We enjoyed the city. We spent our vacation in this city.

We enjoyed the city where we spent our vacation.

25. One of the elephants had only one tusk. We saw these elephants at the zoo.

One of the elephants that we saw at the zoo had only one tusk. 

26. I looked at the moon. It was very bright that evening.

I looked at the moon which was very bright that evening.

27. My father goes swimming everyday. You met him this morning.

My father, whom you met this morning, goes swimming everyday. 

8. That car belongs to Dr Clark. It's engine is very good.

That car, whose engine is very good, belongs to Dr Clark.

29. In the class there are 48 students. The teacher knows only a few of them.

In the class there are 48 students, only a few of whom the teacher knows.

30. The pupils haven't done their homework? It is too bad.

The pupils haven't done their homework, which is too bad.

The Earth is a planet which can support life.

1.     I recently went back to Paris where I was born in nearly 50 years ago.

2.     Laura couldn’t find the box which she kept her photos in .

Use a relative pronoun preceded by a preposition to combine each pair of the sentences below:

1/ The girl is my sister. You made fun of her.

The girl of whom you made fun is my sister

2/ The matter is of great importance. You should pay attention to it

The matter, to which you should, is of great importance

3/ The women lives next door to me. You gave place to her on the train.

The woman to whom you gave place to her on the train lives next door to me

4/ The snake is venomless. You are afraid of it.

The snake, of which you are afraid, is venomless

5/ The examination lasted 2 days. I was succesful in this examination

The examination in which I was succesful lasted 2 days

6/These children are orphans. She is taking care os these children.

These children, whom she is taking care of, are orphans

7/ The 2 young men are not good person. You are acquainted with them.

The 2 young men, whom you are acquainted with, are not good person

8/ This is the result of our work.I'm pleased with it

This is the result of our work, with which i'm pleased

9/ There is a " No Smoking" sign. I do not take notice of it.

There is a "No Smoking" sign of which we do not take notice

10/ Mr Smith is the man . I'm responsible to him for my work

Mr Smith is the man to whom i'm responsible for my work