问题补充:
in thought , he almost ran into the car in front of him .
A. Losing
B. Having lost
C. Lost
D. To
答案:
A. Losing
B. Having lost
(答案→)C. Lost
D. To
解析:过去分词有三个用途:(1)表示被动,如:the oppressed people ( = the people who are oppressed ) 被压迫的人们,又如:the exploited class ( = the class that is exploited ) 被剥削阶级;(2)表示完成,如:the fallen leaves ( = the leaves which have fallen ) 落叶,又如:an escaped prisoner ( = a prisoner who hads run out of prison ) 一个逃犯;(3)表示状态,如:a broken window ( = a window that is broken ) 一扇破窗子,又如:lost in thought陷入沉思。