10. There are some apples in the basket.(改变否定句)

  There             apples in the basket.

Ⅳ.完式填空

Do you like to go camping(野营)? Do you know how to start a fire? If you don’t know how to start a fire, you  1   your food, and can’t sit by the side of a fire, and can’t keep yourselves  2   .

Long, long ago people  3   how to start fires. They probably started fires from lightning(闪电). But they had to  4   the lightning fire burning, for there was  5   to start it  6  .

Later people learned how to start fires. They  7   out hitting two pieces of stone(石头)together could make a spark(火光).The spark could set  8   on fire(set…on fire 使……  燃烧). They could start this kind of fire again if it went out(熄火).

Then people also learned to make a fire by rubbing(摩擦)two sticks together. They made a hole(洞)on a large stick and put the  9   stick into the hole. And then they turned the stick again and again.  10   a few minutes they started a fire.

About two hundred years  11   , people began to  12   matches(火柴). One early match looked  13   the match we use today. The match gave people a  14   way to start fires. Today people are  15   finding new ways to start fires. One of the new ways to start a fire is to use an electric fire starter(电子打火器). Now you can  16   matches and electric fire starter at  17   . Of course an electric fire starter is more expensive than  18   ,  19   it is useful.

After people learned to make fires, their lives became  20   .

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