问题标题：
【将横线中的填空What'rethoseTheyhave3eyes,red,yellowandgreen.oh,theyare-------.Butwhydotheyhave3colours?Becausethereare-------.Look!it'saredlight.Let's------!oh,Isee.Stopataredlight.It'syellow.Canwego?No,-----at】
问题描述：
将横线中的填空
What'rethoseTheyhave3eyes,red,yellowandgreen.
oh,theyare-------.
Butwhydotheyhave3colours?
Becausethereare-------.Look!it'saredlight.Let's------!
oh,Isee.Stopataredlight.It'syellow.Canwego?
No,-----atayellowlight.It'sgreennow.Let's----.
Sothesearethe---------.Iremembernow.
胡博回答：
trafficlightstrafficsingalsstopreadygofunctions
陆学斌回答：
错了哦
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