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cross the river
cross
cross the road
traffic lights
red
yellow
green
Stop！Don't go.
Wait
Go
1. The light is red, please .
A. cross B. stand in line
C. don’t cross
2. Now you can cross, it’s .
A. red B. green C.yellow
policeman
policewoman
Stop! Don’t go!
Go! It's green now.
go straight on
ride a bicycle.
Don't
Don't walk.
Please walk.
turn left
turn right
Please .
turn left
Please .
turn right