1st I-94 F1 enter US, 2nd I-94 got with H1B approval, which one

来源: 于 2010-06-16 15:52:20 [旧帖] [给我悄悄话] 本文已被阅读：次

1st I-94 F1 enter US, 2nd I-94 got with H1B approval, which one should I return when I leave US now holding AP? Thanks in advance, anyone who can help me?