根据中文意思完成句子。
1. 加强锻炼对你的身体有好处。
_________________________ your health to do more exercise.
2. 你最好每周帮助父母做一次家务。
_________________________ your parents do some housework once a week.
3. 越来越多的私家车使得城市的交通问题越来越严重。
Traffic in cities ___________________________ because more and more people have their own cars.
4. 我们应该学会如何与老师和同学和睦相处。
We should learn _____________________________.
5. 现在一些新生产的手机既能拍照也能从网上下载歌曲。
Today some newly-produced mobile phones ____________________________.