第114页

信息发布者：
B


B

C

messy
dirty
sweep
clean
dirty
more
trees
can
do
keep
clean
take
the
bus
the
park
Where
did
you
go
for
the
In many places, there is not much water.
we shouldn't throw rubbish on the ground
we shouldn't pick flowers
library
What does it mean?
It means we shouldn't eat or drink here.
What does it mean?
It means we shouldn't smoke here.
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