(2013·成都第二次诊断)As the road to the airport is under reconstruction, we'd better early to avoid the traffic jam.
A. pay off
B. set off
C. put off
D. take off
网友回答
A. pay off
(答案→)B. set off
C. put off
D. take off
解析：选B 考查动词短语辨析。pay off“还清”；set off“动身，出发”；put off“推迟”；take off“脱下，起飞”。此处表示早点动身以避免堵车，因此选B。