题目内容
综合填空
Thousands of years ago, people did not know 1 to make a fire. When it was very 2 at night, they could not sleep well. Sometimes lightening(闪电) hit a 3 and started a fire. At first people were both surprised and 4 to see the fire. They were afraid to go up. Later a 5 brave men took some of this fire and made a fire near their homes. They used the fire to keep them warm, to frighten wild animals and to cook food.
When they had a fire, they did not let it 6 burning. If it stopped, they could not start it 7 . Maybe they had to wait for a long time, sometimes for 4 . Later they 9 how to make a fire with pieces of wood and stone.
Now we have matches, we can put them in our pockets and make a fire when we want to make it. But we have to be 10 with fire.
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