we should stop others when we see them littering.

we should stop others when we see them littering. What should we do to stop prople from littering so we should be( )when we see them中间填什么? You should say ____ to others when you see them. we should leran from them and help others? when we use public document ,where do we see them When we see a very sick man .we should call ( ) ). Why should we stop smoking? we should stop exercising when we are hure啥意思啊 If we see someone in ___,we should help them.(danger) wh en we see men of worth,we should think of equaling them；w When we help others ,we help ourselves