回复：请问持TN签证有没可能办绿卡？

来源: 于 2011-05-02 17:20:31 [旧帖] [给我悄悄话] 本文已被阅读：次

The only risk after you submit your I-140, you may wait for long time. During your waiting time,you may not be allowed to renew your TN Visa. So that's why TN holder first change TN to H1-B and then apply for PERM