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Free talk
sanitation workers
[s?n?'te??(?)n]
Why?
Watch and say
Why?
Let’s talk
To keep our city clean, what can we do at Chinese New Year?
Let’s classify
(小组讨论，将下面的垃圾分类）
I can put A in the yellow bin.
E
F
G
H
A
B
C
D
Let’s talk
To keep the air clean，what can we do at Chinese New Year ?
Look and say
We use wood to make tables, chairs .
other things .
and many
not cut down too many trees .
We should
because trees help
keep the air clean.
Wood comes from trees.