We should obey the traffic rule when we go across the road.Firstly,don't run a red light .Secondly,we need to be careful enough when we are walking or riding on the road.That's to say,listening to the music distracts our mind.Thirdly,playing on the road will be very dangerous.The last but not the least(如果这个词组难了，你直接说the last,好了），we middle school students had better avoid riding a scooter to keep safe.
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