并列题名：Why are you so sad 并列题名：Why are you so scared 并列题名：Why are you so late 并列题名：Why are you sad? Why are you so sad 并列题名：Why are you poor 并列题名：Why are you angry? 并列题名：You are not so smart 并列题名：What are you Doing? 并列题名：What are you Doing？