定语从句难点训练1. There are 60 students in his class, ____ are girls.A. one-third of themB. one-third of whichC. one –third of thatD. one-third of whom2. ____ was expected, he failed in the exam.A. ThatB. AsC. WhichD. it3. He is good at English, ____ helps him a lot in his work.A. WhoB. whomC. WhichD. whom4. Do you now the boy ___ father died in the fire?A. whoB. whichC. whoseD. whom5. Tom is the only one of the students ____ on time everyday.A. that comeB. that cameC. who comeD. who comes6. My father still remembers the day ___ he joined the Party.A. on whichB. at whichC. thatD. in which7. The farm ____ John spent his holidays is quite far.A. whereB. whichC. thatD. what8. This happened in the same place ___ it happened last month.A. asB. whichC. likeD. what9. Mother bought me a dictionary, ____ is exactly what I need.A. whatB. whichC. asD. that10. A washing machine is a machine ____ we wash or a person ____ job is washing.A. which, whoB. with which, whoseC. of which, thatD. with which, his11. There’s much ____ can be done.A. whichB. thatC. whoD. we12. Professor Zhang told us the stories and the writers _____ interested him.A. thatB. whoC. whichD. what13. Stop those _____ obey the rules.A. that notB. which notC. whatD. who don’t14. who is the woman ___ talked with you just now?A. whoseB. whomC. thatD. which15. You should thank the parents _____ son has saved your life.A. whichB. whoseC. theirsD. their 16. Is the man ____ from ____ you learned a lot?A. who, thatB. that, whichC. who, whomD. the one, whom17. I happened to meet a girl in the park, ____ was crying for her Mummy.A. whichB. whoC. whomD. where18. Which of you _____ has been taught chemistry doesn’t know the problem?A. whichB. thatC. whoseD. who19. We wouldn’t like to go there _____ we have been twice.A. thatB. whichC. whereD. to there20. She wears such a pair of glasses _____ the girl wears.A. thatB. likeC. whichD. as21. The only thing _____ you can do is to leave quietly.A. thatB. whichC. whatD. all22. He is one of the boys ____ scolded by the headmaster.A. that wereB. that wasC. who wereD. who was23. It is the only one of the exercises ____.A. that to doB. that he doC. that are to doD. that is to be done24. What was it _____ he found?A. whatB. thatC. whichD. as25. They were so angry at all ____ we had done.A. whichB. whatC. thoseD. that26. Mike does not have the same schoolbag _____ mine.A. thatB. whomC. whichD. as27. Which is the door, ____ you knocked?A. at whichB. on thatC. thatD. which28. It is the very house _____ window was broken.A. thatB. whichC. whoseD. of it29. That was the last time _____ he gave us a lesson.A. whenB. thatC. on whichD. which30. It was yesterday ____ he found his father ______ he had no news for years.A. on which, whomB. what, whichC. that, about whomD. where, whom“介词+ 关系代词”练与讲1. The earth _____ we live is a big round ball.A. in thatB. on whichC. beside itD. inside which2. The scientist _____ whom we are talking has gone abroad.A. aboutB. withC. toD. over3. Who is the comrade ____ whom you just shook hands?A. forB. underC. withD. behind4. This is the question ____ we’ve had so much discussion.A. about whomB. about whichC. about thatD.×5. The knife ___ I cut down the tree just now is hers.A. with thatB. whichC. from whichD. with which6. I’d like some paper _____ I shall write.A. to whichB. thatC. on whichD. with which7. He built a telescope ____ he could study the skies.A. ×B. in whichC. into whichD. through which8. Have you met the person ____ he was referring to?A. about whoB. (that)C. to whomD. for whom9. The factory has over 3000 workers, eight percent _____ are women.A. of whomB. among thoseC. from whomD. of them10. I still remember the night ___ she left the house alone.A. in thatB. at whichC. on whichD. during which11. This is the theatre _____ we’ll visit a well-known pianist.A. in whichB. on thatC. from whichD. of which12. We stood on the top of the high building, ____ we could see the whole park.A. whichB. from whichC. on whichD. form that13. They have lessons in that hall, the window ___ faces to the south.A. above whichB. of thatC. of whichD. over which14. The foreigner ___ he had been waiting finally arrived.A. for whoB. at whomC. in whomD. for whom15. H e’ll never forget the days in the countryside ____ he learned a lot.A. during whichB. of whenC. from whichD. about which 16. The speed ___ light travels is 300,000 km. per second.A. by thatB. in whichC. through whichD. at which17. In the zoo the children saw some animals ___ they were afraid of.A. of whichB. ×C. of whomD. at which18. In the dark street, there wasn’t a single person ____ he could turn for help.A. to whomB. from whomC. on whichD. for which19. He had a son and two daughters, ___ taught at the same school.A. thatB. either of whomC. neither of whomD. all of whom20. Water is a liquid, the boiling point ___ is 100 ℃.A. of thatB. of whichC. with whichD. at which21. Is this the fellow ____ you went to the tea party?A. with himB. to herC. with whomD. with which22. The woman _____ we took the camera back was a famous film star.A. of whomB. from whomC. about whichD. with which23. The two things ___ Marx was not sure were the grammar and some of the idioms of English.A. about thatB. about whichC. of thatD. of whom24. Mary used to live in a small house, ___ grew many big pine trees.A. on the top of whichB. in the middle of whichC. on the edge of whichD. in front of which简析“介词+关系代词”结构中，介词的选择常常令同学们头疼，从以上练习我们可以看出，要正确选用介词，必须弄明白以下内容：一、“介词+关系代词”结构中，关系代词只能用which（指物）或whom （指人），不能用that 或them 等词，而且介词和关系代词不能省。