看到路中央的狗，司机紧急刹住了车。

The driver ___halted abruptly when he saw a dog in the middle of the road.

交通信号灯变红，所有车辆都停了下来。

The traffic light turned red, ___halting all vehicles.

交通因为前方事故突然停了下来。

The traffic came to a sudden ___halt due to an accident ahead.