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信息发布者：
在饭店
砍伐太多树木
使用太多塑料
在公园
put the rubbish in the bin
throw the rubbish on the ground
be quiet
make noise
×
×
√
√
×
×
should
throw
ground
energy
Most of our energy comes from coal and oil.
We shouldn't drive too much. Cars use a lot of energy.
We should take the bus to the school or work.
We can do many things to save energy.

cool; boot; tool
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