定语从句专练1. They are talking about things and persons _ they knew when they were young. A. that B. which C. who D. whom 2. This is the man _ last night. A. whom I saw him B. whom I saw C. which I saw D. who I saw him 3. The seventeenth century was one _ many advances were made in science. A. that B. which C. where D. when 4. We travelled together as far as Chicago, _ we parted. A. when B. which C. why D. where 5. The reason _ Im writing is to tell you about a party on Saturday. A. because B. why C. for D. as 6. Author Edith Wharton thoroughly understood the society _. A. she had grown up in it B. which had she grown up in C. she had grown up D. in which she had grown up 7. This is one of the best books _. A. that have ever been written B. that has ever been written C. that has written D. that have written 8. The first time _ I saw Premier Zhou was in 1958. A. when B. where C. which D. that 9. Which of the two cows _ you keep produces more milk? A. that B. which C. whom D. what 10. He met my brother, from _ he got the news of my marriage. A. who B. whom C. which D. whose 11. Would you please put the book _ it belongs? A. to whom B. to which C. into which D. where 12. Do you remember the name of the company _? A. where she works at B. in which she works C. for which she works in D. in where she works 13. This is the most difficult book _. A. what I have read it B. which I have read it C. I have read D. I have read it 14. The last place _ was the Science Museum. A. we visited B. where we visited C. which we visited D. we went 15. All _ you have to do is to press the button. A. what B. which C. for that D. that 16. Her opinion is the same _ her mothers. A. that B. as C. than D. like 17. Peter lives in the room _ window opens to the south. A. whose B. that C. which D. / 18. Did she tell you anything _ had happened to her? A. it B. that C. what D. which 19. Ill never forget the days _ we spent together five year ago. A. which B. when C. where D. how 20. July 1, 1921 was the day _ the Communist Party of China was founded. A. that B. on which C. which D. on that 21. The place _ interest the children most is the Childrens Palace. A. what B. that C. where D. in which 22. I, _ your good friend, will try my best to help you out. A. who is B. who am C. that is D. what is 23. The brave man, _ the tiger was shot, is a good hunter. A. of whom B. by that C. by whom D. by which 24. The clever boy made a hole in the wall, _ he could see what was going on inside the house. A. on which B. at which C. through which D. in which 25. This is the girl _ I believe was the driver of the car. A. who B. whom C. in whom D. / 26. My hometown is no longer the same _ it used to be. A. like B. that C. as D. which 27. You can take any seat _ is free. A. in which B. that C. where D. on which 28. She hasnt got enough money _ to buy the rings. A. for which B. with which C. that D. which 29. Ive read all the books _ were borrowed from the library. A. they B. where C. / D. that 30. Is oxygen the only gas _ helps fire burn? A. it B. which C. / D. that 31. The Second World War _ millions of people were killed ended in 1945. A. on which B. where C. in that D. during which 32. Did you tell your mother all _ you had seen on the way home? A. what B. why C. that D. which 33. Its one of the most important meetings _ this years. A. that has been held B. which has been held C. that have been held D. which have held 34. Do you know who lives in the building _ there is a well. A. in front of it B. in front of whose C. in front of which D. in the front of which 35. Ill never. forget the day _ I joined the League. A. on which B. which C. in which D. at which 36. She showed her new watch to my wife, _ was kept in a box. A. who B. which C. that D. it 37. She had three sons, all _ became doctors. A. who B. whose C. of which D. of whom 38. This is the new type of plane _ parts are made of plastics. A. that B. what C. which D. whose 39. _ is known to all, China is a developing country, belonging to the third world. A. It B. That C. As D. Which 40. Is this the leaning tower _ Galileo did experiments centuries ago? A. that B. where C. which D. when 41. Mont Blanc _ we visited last summer is the highest mountain in Europe. A. where B. that C. what D. which 42. Those _ not only from books but also through practice will succeed. A. learn B. who C. that learns D. who