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In the Gobi Desert, next to Helan Mountain.
No, there weren't.
The barren land.
Clean water and green mountains are very important.
He is hard−working.
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       We can do simple things to help save resources. First of all, we should save paper. Reuse the textbooks and use both sides of the paper. Second, it's a good idea to save water. We shouldn't keep water running if we don't use it. Take shorter showers if possible. Next, saving food is also important. Don't order more food than we need. 
        Besides, we can also do something to reduce the pollution. We can take a bus to school instead of driving if possible. We should get used to separating litter before throwing it into the dustbin. 
      I hope each of us can do something to make a difference. 
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