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1. Listen carefully and talk actively.
2.Hand in your homework on time.
3.Ask and answer questions actively.
4.Be quiet.
5.Don’t be late for school.
What do you do
in the public places?
public places
public
places
A social trip.
Look out!
!
Be careful!
=
!
Let’s go!
Why must the school bus stop?
traffic lights
You must wait for the green light.
cross the street
You mustn’t cross the street now.
We mustn’t smoke here .
mustn’t = must not
You must wait for the green light.
the park
spit
ting
Spit on the ground
You mustn’t