We must keep on learning if we want to keep up with the of the changing times.
A. schedule
B. journey
C. pace
D. transport
网友回答
A. schedule
B. journey
(答案→)C. pace
D. transport
解析：考查词义辨析。Schedule 计划，journey 旅行，pace 节奏，速度，transport 交通，句意：我们必须继续学习如果我们想跟上时代变化的速度。所以选C。