Jack seldom gets together with his friends. 杰克很少和朋友在一起. He usually stays at home with his pet dog, Lucky.他通常跟他的爱犬乐奇待在家里. They sometimes go for long walks in the park. 他们有时候在公园里散步,走上好一阵子. Although Jack is often alone,he is never lonely. 虽然杰克经常单独一个人,他却从不感寂寞. He always tells his friends that a dog is man's best friend. 他总是告诉他的朋友说狗 是人类最好的朋友.
