问题补充:
Some people in Beijing go to work half an hour earlier every day to avoidin the traffic jam
A. to catch
B. catching
C. to be caught
D. being caught
答案:
A. to catch
B. catching
C. to be caught
(答案→)D. being caught
解析:考查动词用法。avoid doing避免做某事,根据句意为被动。句意:在北京的一些人每天早半个小时上班,为了避免交通堵塞。