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第93页

信息发布者：

C

B

B

A

much

drives

every

uses

oil

collecting

paper

glass

bottle

√

√

×

√

×

√

eat or drink

too many

use wood

messy and dirty

a lot of water

comes from oil

在校门口

砍伐太多树木

有助于保持空气清洁

rive

se

aper

lass

ollects

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