Losing in thought,he bumped into a passer-by.

问题描述:

Losing in thought,he bumped into a passer-by.
gaicuo

lost in thought,he bumped into a passer-by .be lost in /be dressed in / be armed with 等在做状语的时候被省略了从句中的when 和系动词 be 而来的seated /sitting in the classroom ,she thought she was the o...