- 问题详情: Oneday,Iwaswaitingformytraininthewaitingroom,in___1___Isawlargecrowdsofpeople.Amongthecrowds___2___(be)alittleboycarryingsomepairsofsunglassesinhishands. Theboywasabouttenyearsold.Hewassellingsunglasses.Hetriedfromonepersontoanother,bu...
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