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I/ combine who.. or which 1. thanked the woman. She helped me...................................................................................................................2. The girl is happy. She won the race........................................................................................................................3. The book is mine. The book is on the table...........................................................................................................4. The mechanic is my uncle. He is repairing my bike...................................................................................................5. The students explained their absence to the teacher. They didn’t come to class yesterday6. The river is not safe for swimming. The river is polluted..........................................................................................7. Tom got into the car. The car was parked behind the house.....................................................................................8. Mark liked people. They aren’t too serious...........................................................................................................9. The school boy is my friend. He fell asleep in his class............................................................................................10. The girl is MissVan. She is carrying the red umbrell ............................................................................................II/ whom or which: 1. That is the book. bought it yesterday............................................................................................2. Is this the man?. You’ve waiting for them............................................................................................3. The film will be shown on T.V next Sunday. They have just finished it.....................................................................4. Who is the woman?.We met her here last year............................................................................................5. The children were playing soccer. saw them at the park........................................................................................6. The meeting was interesting. went to it............................................................................................7. The man was very kind. talked to him yesterday............................................................................................8. The book was good. read it yesterday............................................................................................9. The office is on the 22nd floor. work in that office............................................................................................10.Try to read the book. gave it to you yesterday............................................................................................III/ whose: 1. The author is an American. You are reading his book..........................................................................................2. The girl feels happy. Her father has just won the first prize.................................................................................3. We will tell you about the boy.You met his parents yesterday.................................................................................4. Do you know the woman?. Her daughter has won the contest.................................................................................5. like the house. Its walls were made of the glass.................................................................................6. read about the child. His life was saved by her dog.................................................................................7. The boy is friend of mine. You are using his dictionary.................................................................................8. Thomas Edison is famous inventor. His well-known invention is the light bulb....................................................IV/when/ where or why: 1. Da nang is city. was born and grew up there.................................................................................2. The room is very nice. I’m living in that room.................................................................................3. December is month. It is the coldest in the USA in this month..............................................................................4. The days were the saddest ones. lived far from home on those days.....................................................................5. Do you know the hotel?. Jonh is staying in that hotel.................................................................................6. The day is so boring to me. We don’t meet each other on that day.........................................................................7. You didn’t come to my party. Tell me the reason.................................................................................8. dont know the reason. She left the school for it.................................................................................