现在中小学生的安全备受学校和社会的关注，请你以“How to keep us safe”为题，用英语写一篇短文，谈谈学生应该如何保证安全。

提示：1）What should you do at home？

2）What should you do on the way to school？

3）What should you do at school？

要求：1）短文须包括所有提示内容，可适当发挥；

2）文中不得出现真实的人名、校名和地名；

3）词数：60～80个。

参考词汇：protect, stranger, traffic, run around the hallway, fight, etc.

How To Keep Us Safe

    Safety is the most important to us all. As teenagers, we must learn to protect ourselves.