7. Someone called me up in the middle of the night, but they hung up ___ I could answer the phone.

　A. as　 　 B. since　 　　 C. until　 　　　 D. before

6. John may phone tonight. I don’t want to go out __ he phones.

A. as long as B. in order that 　C. in case D. so that

5. (春招00)The changes in the city will cost quite a lot, _____ they will save us money in the long run.

A. or　 　　　　 B. since　 　　 C. for　 　　　 D. but

4. (____everybody knows about it, I don' t　 want to talk any more.

A. For　 　B. Even　 C. Since　 D. However

3. ___you' ve got a chance, you might as　　 well make full use of it.

　A. Now that B. After 　C. Although 　D. As soon as

2. ---I am going to the office.

----_____ you're there, can you get me some stamps?

　A, As　 　B. While　 　C. Because　 D. If

1. Why do you want a new job __ you' ve got such a good one already?

　A. that 　B. where 　C. which D. when