He gave up smoking____his doctor told him it was a matter of life and death.()
（A）while
（B）after
（C）until
（D）unless
参考答案
继续答题：下一题
更多英语(成人高等教育)试题
- 1Dont start that now, as itll be time to go____.()
- 2Australia must be fun !
- 3I encourage you to stay ______. (keen to learn about a lot of different things)
- 4My suggestion is that we (send) ____________a few people to help the other groups. ）
- 5For thousands of years man dreamed _________ seemed impossible dreams about flying.
