Animals are humans' friends all the time,and they are very important to human beings.Caged animals must be very sad since they should be free as humans.As a result,we need to take steps to protect our friends.Firstly,we are supposed to take good care of animals and prevent those bad people from catching,killing and eating animals without limit.Secondly,we teenagers should do more helpful things to make a contribution to protect animals.In a word,as long as we make our effort,the situation will be better and our good friends will be happoer than before. Animals are humans' friends all the time,and they are very important to human beings.Caged animals must be very sad since they should be free as humans.As a result,we need to take steps to protect our friends.Firstly,we are supposed to take good care of animals and prevent those bad people from catching,killing and eating animals without limit.Secondly,we teenagers should do more helpful things to make a contribution to protect animals.In a word,as long as we make our effort,the situation will be better and our good friends will be happoer than before.