（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