（注：对号“√”表示其后选项为正确答案）

　　1. The reason I can't come is that I have to prepare for the coming exam.

　　A. for B. as C. because √ D. why

　　The reason why…，成人三级英语练习题-定语从句。 有时why可用that代替

　　2. She studied hard at school when she was young, contributes to hersuccess in her career.

　　A. that B. so that C. so √ D. which

　　Contributes to 为…。贡献（捐献）

　　3. An investigation was made into the accident, fifty people were killed.

　　A. where B. when √C. in which D. for that

　　4. I've got a bottle of beer,but I haven't got anything I can open it with.

　　√A. that B. what C. where D. which

　　that指物，作宾语；

　　5. All members are admitted to the auditorium.

　　A. have got tickets B. that had got the tickets

　　√C. that have got the tickets D. who have got the tickets

　　6. sound waves travel in the air in much the same way water waves spread on the water.

　　√A. as B. that C. where D. in which

　　the same …。as…。

　　7. Writers can accurately describe objects have never seen.

　　A. who B. if they √ C. they D. that

　　8. It wasn't such a good present he had promised me.

　　A. that √ B. as C. which D. what

　　Such n. …as…。

　　9. Perhaps the day will come people will be able to breath e cleanair in cities.

　　√A. when B. while C. as D. since

　　先行词为the day ；

　　10. To make up an objective test,the teacher writes a series of questions,has only on correct answer.

　　√A. each of which B. come of which C. which D. what

　　信号词为has ；

　　11. All is a continuous supply of the basic necessities of life.

　　A. what is needed √ B. that is needed

　　C. for our needs D. thing needed

　　12. Evidence came up specific speech sounds are recognized by babiesas young as six months old.

　　A. which B. what √ C. that D. when

　　Evidence 证据； specific 明显的；

　　13. The goals he had fought all his life no longer seemed important to him.

　　A. for that √ B. for which C. for what D. of them

　　14. Those were the soldiers to save the town.

　　√A. whose responsibility was B. in whom there was a responsibility

　　C. whose was the responsibility D. from whom the responsibility

　　15. The person you were talking to was an American.

　　A. who √ B. whom C. which D. as

　　16. Einstein was one of the greatest men ever lived.

　　A. who √ B. that C. whom D. he

　　泛指人时常用that ；

　　17.Most of the electronic devise of this kind, manufactured or this purposes,are tightly packed.

　　A. which is √ B. as are C. what are D. they are

　　18. Scientists call Newton's idea gravitation reaches throughout the universe the law of universal gravitation.

　　A. when B. which √ C. that D. where

　　19. English words are not always spelt .

　　√A. the way they sound B. the way they to sound

　　C. the way they are sounding D. as they are sounding

　　20. Snowdonia is a seashore city you can enjoy yourselves much by visiting the local scenic spots.

　　A. why B. which √ C. where D. so

　　先行词表地点；

　　21. The time is not far away modem communications will becomewidespread in China's vast countryside.

　　√A. when B. before C. until D. as

　　先行词表时间；

　　22. A higher crime rate exists in cities a large percentage of unemployment.

　　A. where have √ B. that have C. which they have D. that having

　　23. The inflation made it hard for us to buy the necessities&n