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第91頁(yè)

信息發(fā)布者：

在飯店

砍伐太多樹(shù)木

使用太多塑料

在公園

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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