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信息发布者：
follow the rules and stay safe
run or play
一条繁忙的马路
当心
follow the rules
on the road
keep quiet
run
play
listen to
In China, except Hong Kong and Macau, people drive on the right 
side of the road.
must
mustn't
can
D
A
F
C
B
E
在人行道上等
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