in thought.he almost ran into the car in front of him． A．Losing B．Having lost C．
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__________ in thought，he almost ran into the car in front of him．
A．Losing B．Having lost C．Lost D．To
试题答案
C
过去分词有三个用途：(1)表示被动，如：the oppressed people(=people who are oppressed) 被压迫的人们；（2）表示完成，如：the fallen leaves (=the leaves which have fallen) 落叶：（3）表示状态，如lost in though陷入沉思。