回复：原因很多的，我也过类似的经历，

Thank you so much for all your responses. By the way, how can I go to infopass? Million thanks!

所有跟帖： 

• Call USCIS customer service. They will schedule one for you. -treadwater- ♂ (0 bytes) () 07/16/2009 postreply 10:13:24

• 回复：Call USCIS customer service. They will schedule one for you. -zhenga- ♀ (102 bytes) () 07/16/2009 postreply 11:42:54

• http://infopass.uscis.gov/ -free_bird- ♀ (0 bytes) () 07/16/2009 postreply 12:50:33

• 回复：http://infopass.uscis.gov/ -zhenga- ♀ (15 bytes) () 07/16/2009 postreply 20:32:16