问题
选择题
Mr. Smith got a ticket on his way home because he had failed to ________ at a red light.
A．work out
B．pull out
C．look up
D．pull up
答案
答案：D
D 考察动词词义辨析。Work out计算出；pull out离开车站，look up查阅，向上看；pull up使车停住，停车。根据句义说明D正确。
