4. 我们在学校都要遵守安全规则。我们在楼梯上靠右边走，不推别人。我们在体育课上先做准备活动，做安全的动作。我们应该在跑道上让路。我们跑步之后不应该立即坐下来。我们应该慢慢走。这样我们才能保持安全。
We all need to follow safety rules at school. We and others on the stairs. We first in PE class and do safe actions. We should move on the running track. We shouldn't after running. We should . So we can .

4. keep to the right; don't push; warm up; out of the way; sit down right now; walk slowly; keep safe

二、根据首字母提示，补全短文。
Hello, I'm Tom. I have many good habits. I do e every day, so I am strong and h. I like r books and I can l a lot from it. My friend Lucy likes s, and it m her happy. She wants to join the Music Club. At school, we must know about s first. We s not run on the stairs, and we should w up before doing sports. We shouldn't p or pull others. We must f the rules and stay s at school. It's important to have good habits and keep safe. They make our life better.

二、 exercise; healthy; reading; learn; singing; makes; safety; should; warm; push; follow; safe