N (vật) + which + V /S +V 

N (người) + who + V 

N (người / vật) + that + V / S+ V 

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5. The girl who has curly blonde hair is my pen pal.

6. The students ho are in the ninth form are working in the school garden.

7. Swimming which is a good sport makes people healthy.

8. He works in a factory which makes bicycles.

9. The building which you can see in front of you is the town hall.

10. The book which I wanted to buy was too expensive.

II)

1. This is a newspaper which I want to buy.

2. It's the book that will interest the children of all age.

3. Dang Thuy Tram's diary, which I've read twice, is a beautiful book.

4. The Pikes, who live next door, keep having all-night parties.

5. Where are the eggs which are in the fridge?

6. People who take physical exercise live longer.

7. Tom and Peter, who were invited, didn't come.

8. Did you thank Mr. Pike, who opened the door for you?

9. Paris is the city which I've always wanted to visit.

10. Mrs. White, who has been married for 4 years, has just had her second baby.

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