6. Many new houses have been built and roads have been widened.
很多新的楼房建了起来，路也都拓宽了。
7. I prefer to live in the country rather than live in the city.
我宁愿住在农村，而不愿住在城市。
8. More and more people are aware that it is important to obey the traffic rules.
越来越多的人认识到遵守交通规则的重要性。
9. Last but not least, it will definitely benefit the citizens.
最后而又很重要的一点，它必定给市民带来福利。
10. In the big city, there are more schools and hospitals available for its people.
在大城市，有更多的学校和医院供人们使用。
11. I suggest the department concerned taking some effective measures to improve the present situation.
我建议有关部门采取一些有效措施改善现状。
12. The reason why people choose to live in the city is that the life is more convenient and colorful.
人们为什么选择生活在城市的原因是城市生活更便捷更多彩。
13. China is becoming more and more prosperous because of the reform and opening up policy.
由于实施了改革开放，中国变得更加繁荣了。