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others in accidents.
E&E
C&E
C&E
furniture
kitchen
broken glass
stairs
accident
lift
E&E
C&E
C&E
stairs
accident
broken glass
furniture
kitchen
lift
E&E
C&E
C&E
The boy is running down the stairs.
What is the boy doing?
What may happen to the boy?
He may fall down.
What should we do when we go
downstairs?
We should go/walk downstairs
in a line.