以“Don't cross the road when the traffic light is red”的英语作文

Now let me tell you something about the rules of traffic.In the world there are a lot of traffic light to guarantee(保持)traffic clean.When the traffic light get green that you can go now.When the traffic light get yello that you need to stop to keep safe.Do not cross the road when the traffic light is red.Now do you know how to be safe when you are walking in the road?
抱歉,我自己也是个三流水平= -