再问。刚才track mail.写着 We attempted to deliver your item at 10:57 am on October 03, 2006 in MESQUITE, TX 75185 and a notice was left. It can be redelivered or picked up at the Post Office. If the item is unclaimed, it will be returned to the sender.
移民局的人会拿着notice去取信吗?似乎寄普通信还省事。