填空。 Fire can help people in many ways. But it can also be very harmful(有害的). Fire can keep your house__ 1 __, give light and cook food. ___ 2 __ fire can burn things, too. Big fire can burn trees, animals or people. Nobody knows how people began to use fire. But there are many interesting old__ 3 __ about how a man or woman___ 4 __ a fire. One is about a man, The man__ 5 __ a very long time ago. He went up to the sun and___ 6 __ fire down. Today people know how to make a fire with matches. Children sometimes__ 7 __ to play with them. But matches can be very dangerous. One match can burn a piece of paper, and then it could burn a house. A small fire can__ 8 __ a big fire very quickly. So you must be careful with matches. Be careful with fire, and it will__ 9 __ you. But if you aren't careful with fire, it may__ 10 __ you. (     )1. A warm (     )2. A And (     )3. A stories (     )4. A had (     )5. A worked (     )6. A pulled (     )7. A come (     )8. A have (     )9. A burn (     )10.A hurt B cold B But B men B started B studied B lifted B like B lift B do B help C cool C So C women C brought C learned C brought C don’t like C get C tell C see D clean D Or D buildings D bought D lived D took D become D turn D help D care