必考题
在向左变道之前，您必须提前打转向灯至少三秒钟。除此之外，您还需要做些什么？Before making a lane change to your left, you must signal for at least three seconds. What else must you do?
检查车辆的盲点Check your blind spots
减速Slow down
加速Speed up
轻踩刹车，点亮刹车灯以警告其他车辆Use your brake lights to warn other drivers