Dogs are people`s best friends.
I have been taking care of dogs for 4 years. When I was living in a homestay in Canada, I also have looked after my homestay`s dog (walk him daily, give him food, and play with him ) for a half year. I am a University student in U of S, and my major is animal science. I have studied pet behavior, so I know dogs such as whether they are happy or not. I ...