elps us. We sa "sorr" hen e do something rong. And e should take are not to talk loudl in publi. What’s more, e should be friendl to everone. When e meet somebod, e should greet them arml. When e take a bus or a train, e should ait in line and e'd better give our seat to the old and the hild. Hoever, e shouldn't drop litter everhere. And e should tr to do everthing to protet the environment. And e shouldn't quarrel ith others or laugh at others.If e do so, I'm sure e ill be polite person. That’s all. Thank ou!《青少年英语口语大赛演讲稿》Р