定语从句的练习一、单选:1. Friendship is needed by all, _____ plays an important role in people’s lives. A. which B. that C. who D. it2. Uncle Li _____ I worked three years ago has retired now. A. who B. whom C. with whom D. to whom3. She has three children, _____ is working in Australia. A. who B. one of whom C. one of them D. none of them4. Is this the reason _____ at the meeting for his carelessness in his work ? A. he explained B. what he explained C. how he explained D. why he explained5. Teachers, _____ work is rather hard, are being better paid than before. A. who B. that C. which D. whose6. Susan is the very girl _____ the good deed. A. whom I think did B. whom I think she did C. who I think did D. I think who did7. Luckily, the poor boy had enough money _____ he could buy a train ticket. A. by which B. on which C. with which D. for which8. The book _____ he devoted much time is to come out next month. A. where B. which C. to which D. on which9. The day came finally _____ I was given an opportunity to act in the play. A. when B. in that C. which D. in which10. His parents wouldn't let him marry anyone _____ family was poor. A. of whom B. whom C. of whose D. whose11. In the dark street , there wasn't a single person _____ she could turn for help. A.that B.who C.from whom D.to whom12. After living in Pairs for fifty years he returned to the small town _____ he grew up as a child. A. which B. where C. that D. when13. I don't like _____ you speak to her. A. the way B.the way in that C.the way which D.the way of which14. The computer can keep a record of the date ______ the passengers will travel. A. why B. when C. where D. which15...