Pets are usually small animals, and we keep them at home.Pets give us happiess, and they are our good friends.A pet may be another baby to the mother, a stster or brother to an only child, and a grandchild to the old people.

　　宠物通常是小动物，我们把它们养在家里。宠物给我们快乐，它们是我们的好朋友。对于母亲，宠物可能是另一个孩子;对于独生子女，宠物可能是兄弟姐妹;对于老人，宠物可能是孙子孙女。