Question

【题目】Many road accidents occurred because motorists could not （评估；测量）the speed of approaching vehicles.

Answer 1

【答案】measure
【解析】句意：发生多起道路交通事故是由于司机无法评估接近车辆的速度。measure（评估；测量）要此作谓语动词，could后要用动词原形，故用measure。