文档介绍：Unit 7 Be careful!
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Left left right right
Go turn around go go go
Left right
Left left right right
Left left right right go go go
Left left right right
Go turn around go go go
Let’s sing and dance:
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turn right
turn left
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traffic lights
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The light is red.
stop
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The light is yellow.
wait
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The light is green.
cross the street
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Red light, red right.
Stop. Stop. Don't go.
Yellow light, yellow light.
Wait, wait, Don't go.
Green light, green light.
Go, go, go.
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Play a game
Who is fast?
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