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¡¡¡¡Now more and more people know plants are important. They will plant more trees and grow more plants. They will do their best to protect them. And our country will be more beautiful.

12.What are they doing on the hills

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13.Are people cutting down too many trees in some places

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14.They will plant more trees and grow more plants. ±äΪһ°ãÒÉÎʾ䣬²¢×÷¿Ï¶¨»Ø´ð

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15.They're planting trees. ±äΪһ°ã½«À´Ê±£¬will

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