标签：话题作文 话题 英语四级作文
字数：1500字
提要：Keeping PetsMen have kept pets since ancient times. We can see from discoveries in the pyramids in Egypt and from scenes on decorated wall-coverings of European castles that our ancestors were as in-terested in pets as we are. One reason for keeping pets is their utility. When our dog barks, it warns us of thieves. A cat keeps down the mice and rats in homes. When men depended on hunting for food ..