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1学科网（北京）股份有限公司2011 年完型填空Fire can help people in many ways. Fire can heat water， 21 your house，give light and cook food. But fire can burn things too. Nobody knows 22 people began to use fire. One story from Australia 23 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 24 a fire with matches or lighters. Children sometimes like to play with them. But matches and lighters can be very 25 . Fire kills people every year. So you must be careful 26 matches and lighters.
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