第106页

信息发布者：
were cut
pollution
to deal
organization
A
D
C
C
A
Students are not allowed to talk loudly in class.
We're separated into four groups to plant trees.
If you drop litter in the street, you will be fined by the police.
It's wise of us to take action to protect the environment as soon as possible.
Things like plastic, paper and old clothes are sent to factories for recycling.
bout
ater
ealthily
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