就括号部分提问：People get fruit and oil from (trees).People cut (millions of) trees every year.We should (stop doing this) if we don't want a world without trees .
问题描述：
就括号部分提问：People get fruit and oil from (trees).People cut (millions of) trees every year.
We should (stop doing this) if we don't want a world without trees .
答
你好:
1 Where do people get fruit and oil ?
2 How many trees do people cut every year ?
3 How shoud you do if you don't want a world without trees ?
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答
Where do peole get fruit and oil from?
How many trees are cut by people every year?
How should we do if we don't want a world without trees