26: Fire can help people in many ways. Fire can heat water, (41)##_ your house, give light and cook food. But fire can burn things too. Nobody knows (42)##_ people began to use fire. One story from Australia tells about a man a very long time ago. He went up to the sun by a rope and brought fire down.Today people know how to (43)##_ a fire with matches. Children sometimes like to play with them. But matches can be very dangerous.Fire kills people every year. So you must be careful about matches. You should also learn to (44)##_ fires. Fires need oxygen. Without oxygen they die. There is oxygen in the air. Cover a fire with water, sand, or in an emergency, with your coat or a blanket. This keeps the air (45)##_ a fire and kills it.Be careful with fire, and it will help you. Be careless with fire, and it might hurt you.