第35页

信息发布者：
A
A
D
D
B
B
A
A
C
D
busy roads
cross the road
look at the traffic lights
the zebra crossing
shouldn't
look out for
on the pavement
Are there any busy roads in the city?
Can you see the red man?
Some children run or play football on the road.
What must you do to cross the road safely?
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