22.Once there was a little grey planet People living on it hadn't looked(1)
it well. Although they had(2)
(science)inventions and excellent spaceships beyond our(3)
(imagine ),they made the planet full of rubbish and pollution.As a result,people grown nothing on the land for decades. One day,a little boy was searching for something beautiful in a mountain.He looked into every cave he passed.When he passed the(4)
(nine)cave,he noticed a small red flower in it.He had never seen a(5)
(pretty)thing than it before.So he(6)
(dig)it out carefully with its root and some soil.But he didn't know(7)
to deal with it.He looked up in the sky and he had(8)
idea.He flew to the moon and planted the flower on the moon.The flower(9)
(take)good care of. Now many flowers come out,the moon looks red,like a warning light.(10)
we don't protect our Earth carefully,the day will come when flowers will only be able to grow on the moon.