Now in some places of our country, many people are cutting down (砍伐) the trees in the forests. They need more 1 to build houses and more farmland to grow crops and so on. The areas of forests are getting 2. Some scientists say that there 3 no big forests in 20 or 30 years. It is really a(n)4 thing.5 the forests, we will have sandstorms (沙尘暴) often. The weather will get 6. The earth will become a big desert (沙漠). A lot of plants and animals will 7. Crops will not grow anywhere. Life will be 8 for everyone.

    So we should do our best 9 our living environment and keep our mountains 10, the water clean, and the sky blue.

is the wall around the city?

Grandma Zhou enjoy the life in the countryside?

— No, you _______. You _______ park it there.

— Oh? But she _______ hate climbing mountains.

— I don't agree with you.