题目内容
15. —Safety comes first. Remember to yourself away from danger.
—We will,father.
15. keep
4. 他太有礼貌了，不会在公共场所大声笑。
—、单项填空
() 1. I'm sorry you’ve waited so long,but there’ll be some time Bran gets back.
A. when B. since C. till D. after
() 9. The workers are too busy . They have to keep working till they finish it.
A. having a rest B. not to have a rest
C. to have a rest D. that they have a rest
3. There was a lot of (讨论) about this report on people's lives in cities.
10. To our surprise,the results are always strange (真正地) .
() 4. The problem is hard for me work out.
A. enough;to B. enough; that I can't
C. very;to D. too;to
3. I get a letter from my father. I (not hear) from him for 2 months.
() 5. You have to hand in your homework tomorrow,so make sure it here in time.
A. bring B. bringing C. to bring D. not bring
