完形填空

　　The weather in our town today is different from that many years ago. It was too hot at the time. Now it becomes 1 because all the mountains around our town 2 trees. There is no more sand on the surface of the earth 3 these new trees. At the beginning of this century, sand was 4 here. 5 we couldn't 6 any plants in this poor land. In 1952, a number of young people came to live here. They wanted 7 this poor land with their hands. They worked hard to plant trees to stop earth 8 sending away. After many years of hard work, a beautiful new town 9 on the poor land. Now, people on this town still go on planting more trees all the time. They want to keep it much more beautiful later 10 ．

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