一、将下列句子合并为定语从句。1. This is the factory. It makes good quality machine._ 2. Do not drink water. It has not been boiled. _3. The news was surprising. He told us the news._4. May I borrow the book? You bought it yesterday._5. He has found the key. He lost the key yesterday._6. The child is my son. The child is crying in front of the shop. _7. He is the doctor. He operated on me last year._8. Is he the man? You are waiting for the man._ _9. The girl is called Mary. I saw her yesterday. _10. The girl is from China. We all think highly of her. _11. This is the film star. His name is well known all over the world._12.That is the room. Its door needs painting. _13. Tom has a gold watch. Its hands are made of diamond._14. Workers built shelters for the survivors. Their homes had been destroyed._15. Workers built shelters for the survivors. The homes of them had been destroyed._16. The house is Toms. Its door faces south. _17. The house is Toms. The door of the house faces south._18. The man is a doctor. He lives opposite our house. _19. Do you know the man ? He is talking to your teacher._20. He is a hero. We are all proud of him._21. This is the most exciting moment. I will never forget it._22. Is the book difficult? You read the book this morning._23. The letter is from my uncle. I received it yesterday._-24. The teacher saw what happened. He was standing nearby._25. The house is our library. Its door is painted red. _26. The student is in the room. His name is Tom._27. I planted some flowers. They dont need much care._ 28. The flood caused great damage to the crops. It hit the village yesterday._29. I know the boy. He likes music very much. _30. I know the boy. They are chatting with the boy. _31. I know the boy. The boys father is a judge. _二、把下面的定语从句拆分成两个句子。1、This is the professor who taught me chemistry in 1980 . _ _2、Do you know the student who was praised at the meeting? _ _3、This is the boy whose father died three years ago. _ _4、The film we saw the day before yesterday is very interesting. _ _5、The hospital which was built five years ago was destroyed in this earthquake. _ _6、They work in a factory which makes radio parts. _ _7、She lives in a small village, which is only three miles away from here. _ _8. I bought an ancient painting whose price is very high. _ _9. Nobody wants the house whose roof has fallen in. _ _10. This is the old man whose son went abroad._ _11. Have you seen the film whose leading actor is Xu Zheng?_ _