You must ---- when the traffic light turns red怎填

You must ---- when the traffic light turns red怎填 when the traffic light turns red we-----cross the road You ____ stop when the traffic light turns red.A,had better When a light turns red,we ____ croos the road .a.must b.must You must wait when the traffic light turns______.后面填什么 everybody must go when the light turns red 这句话哪里错了? The traffic light is red.You must w___ for the green light. when the traffic light is red We must not run ( ) the road when the traffic light is red.括 You must stop when the light is red 改为祈使句 When a light turns red,we ________cross the road. You must stop if the traffic light＿＿＿（be）red. Don