Sometimes lightening hit a tree and s-------- a fire.At first people were both surprised and.

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• Sometimes lightening hit a tree and s-------- a fire.At first people were both surprised and.Sometimes lightening hit a tree and s-------- a fire.At first people were both surprised and f-------- to see fire.
• Sometimes lightening hit a tree and s-------- a fire.At first people were both surprised and.
• 求答案Thousands of years ago,people did not know 36 to make a fire．Thousands of years ago,people did not know     36     to make a fire．When it was very    37     at night,they could not sleep well．Sometimes lightning hit（打,击） a    38    and started a fire.At first people were both surprised and    39    to see the fire．They were afraid to go up．Later a few   40     men took some of this fire and made a fire near their homes．They used the fire to keep th
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