In our society,people often behave badly in public places.Here are some behaviours which we should avoid doing.We should not spit on the ground.Smoking in public places,particularly in crowded areas,is bad for public health.We should not shout loudly.When we wait for a bus,we should queue up orderly.Also,we must obey traffic lights.We should not cross the road when the red traffic light is on.I think everyone should behave well in public places.
