选择正确答案。(28分)
A 
B 
C 
D 
E 
F 
G 
（1）Don't walk!
（2）Go straight on!
（3）Don't turn left here!
（4）Turn left!
（5）Don't ride your bicycle here!
（6）Be quiet!
（7）Go！It's green now!
选择正确答案。(28分)
A B C D E F G
（1）Don't walk!
（2）Go straight on!
（3）Don't turn left here!
（4）Turn left!
（5）Don't ride your bicycle here!
（6）Be quiet!
（7）Go！It's green now!
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