求一篇关于宠物的英语作文

Now some people in big city like raise dogs.As for this problem,people have different opinions.In fact there are advantages and disadvantages for raising a dog .First ,for old people dog is their friend ,When their children go to work ,the dog is like their children.For children dogs can play with them.But raising a dog will cause other damage. If the dog carries some virus ,people may be infected with these virus.So when we want to raise a dog ,we must take all factors into consideration.