上次贴了一次, On February 10, 2006, the document we made based on the approval or registration of this case was mailed directly to the person to whom issued. 周五又给USCIS打了个电话, 结果另外一个人说是没批. 哎, 现在是彻底糊涂了. 有什么别的办法可以确认吗?谢谢