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r
ight
l
s
The light is ______.
blue
The light is ______.
red
red
The apple is red.
The fish is red.
The … is red.
traffic lights
The light is red.
The light is red.
Stop!
Now the light is green .
Let’s go.
green
Look and say.
The cat
The banana
is blue.
is yellow.
The dog is red.
The pig is green.
yellow
The light is .
yellow
Let’s wait.（等待）