The boy looked disappointed__(lose) the chance to study abroad.__(live) in Berlin many years,he knew the city very well.
问题描述：
The boy looked disappointed__(lose) the chance to study abroad.__(live) in Berlin many years,he knew the city very well.填什么,求讲解
答
losing (你把句子前后换一下次序,也许更容易理解） Losing the chance to study abroad, the boy looked disappointed.
Having lived .(由于主句动作明显晚于分词动作,故分词用完成式）