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Unit6 Keep our city clean
Story time
江苏译林（三年级起点）
Let's guess
Last Saturday
What did Miss Li do last Saturday?
What
She watched a film.
No littering.
We can’t __________ here.
litter rubbish
We can put rubbish in the bin.
No littering.
We can’t litter_______here.
rubbish
We can put rubbish in the bin.
No smoking.
We ___________here.
can't smoke
吸烟
A
烟雾
B
（v.）
（n.）
in
_____ ______cars
_____ ______ ______ factories