Please be careful _cross the road when the traffic lights ar

Please be careful _cross the road when the traffic lights ar Please be careful when you go a( ) the road when you cross the road,be careful of the traffic 为什么是the? please remember（）（be）careful when you walk across the road corss the road at traffic lights .Be careful when you come____the street,because the traffic 翻译 Be careful when you come to the traffic light. when you cross the road,emember ____ the traffic lights firs You mustn's cross the road when the traffic lights are red(改 it's not____to cross the road when the traffic lights are re 1 You ( c )cross the road when the traffic lights are red You must _______ the traffic lights when you cross the road.