相关sfamilyThedog的文学知识

问题详情：   ThereisanolddoginMr.Smith’sfamily.Thedog’snameisBuddy.WhenBuddywasyoung,hecouldrunfastandcatchmanyanimals.Mr.Smithlovedhimverymuch.Now,Buddyisoldandweak.Oneday,Mr.SmithandBuddywalkedin...