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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