（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
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