the traffic lights还是the traffic light

the traffic lights还是the traffic light the traffic lights ( )the traffic lights go through the traffic light还是go across the traffic light corss the road at traffic lights Look the traffic lights.哪里错了 the traffic lights are green.we can[ ] the traffic lights的意思是? turn right ( )the third traffic lights When the traffic lights are_ ,we must_ Turn right （ ）the traffic lights. the traffic lights are yellow.we can [ ]