you must take your turn when you buy the train ticketyou must ___ ____ ___when you buy the train ticket改同义句并说明一下理由
问题描述：
you must take your turn when you buy the train ticketyou must ___ ____ ___when you buy the train ticket改同义句并说明一下理由
答
line your up 或 queue your up
答
line up 这句话的意思是 必须要到你的轮次才能买火车票 line up就是排队买票的意思