Definition: used to ask why or how something has happened Level: C1
你怎么没去参加聚会？
___How ___come you missed the party?
那家报纸怎么没核实事实就刊登了那个报道？
___How ___come the newspaper published that story without checking the facts?
项目截止日期怎么提前了却没有通知团队？
___How ___come the project deadline was moved up without informing the team?
