As a students,we should have good behavior. In order to have excellet environment, we should plant more trees, flowers and grass. We shouldn't spit or litter things. We should talk with others politely. We should be friendly to others and help them when people are in trouble. We should obey traffice rules. Don't speak loudly in public places. we should take out the trash and throw them into the dustbin. We can help clean the small ads. We'd better not use the plastic bags. I believe if everyone makes a contriblution to our environment, our world will become more and more beautiful. As a students,we should have good behavior. In order to have excellet environment, we should plant more trees, flowers and grass. We shouldn't spit or litter things. We should talk with others politely. We should be friendly to others and help them when people are in trouble. We should obey traffice rules. Don't speak loudly in public places. we should take out the trash and throw them into the dustbin. We can help clean the small ads. We'd better not use the plastic bags. I believe if everyone makes a contriblution to our environment, our world will become more and more beautiful.