1 You ( c )cross the road when the traffic lights are red

1 You ( c )cross the road when the traffic lights are red You mustn's cross the road when the traffic lights are red(改 don't cross the road when the traffic lights are red. You can cross the street____when the traffic lights are red You must _______ the traffic lights when you cross the road. it's not____to cross the road when the traffic lights are re lights,green,we,the,road,traffic,when,cross,are,the.连词组句 cross traffic red are the when don't street the lights连词成句 when you cross the road,emember ____ the traffic lights firs You__cross the road when the traffic lights are red.It's dan when the traffic light turns red we-----cross the road You should stop when the traffic lights are red.改为祈使句