Question

【题目】With the help of computers, people will find it easier to keep the traffic smoothly.
A.to run
B.run
C.running
D.are running

Answer 1

【答案】C
【解析】句意：在电脑的帮助下，人们发现保持交通顺畅运行更容易了。keep……doing sth. 是固定用法，译为“保持……一直”，故选C。