就括号部分提问：People get fruit and oil from (trees).People cut (millions of) trees every year.
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
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