The red traffic light ___that you must stop your car. A.mean

The red traffic light ___that you must stop your car. A.mean The traffic light is red now.we must stop You must stop if the traffic light＿＿＿（be）red. Don you must stop at the red light,同义词转换 ( )go at a red light, You ____ stop when the traffic light turns red.A,had better You must ---- when the traffic light turns red怎填 () the traffic lights turn red ,you must stop. You must stop at the red light变成否定句 You must stop when the light is red 改为祈使句 If the traffic light is red,I must stop.I have to____when it The traffic light is red.You must w___ for the green light. you___ stop when the traffic light is red.