H4 (140, 485 Pending) using EAD

来源: 2008-12-19 11:06:39 [旧帖] [给我悄悄话] 本文已被阅读:

1) Can H4 work as volunteer in current company?
2) Once H4 used EAD, can change back to H4 later? Very confusing…

Can someone help to answer me?