Help on B-1 visa

来源: 于 2006-02-10 14:08:56 [旧帖] [给我悄悄话] 本文已被阅读：次

My sister just got a B-1 visa to visit me. Except married to a citizen, are there any other ways to stay longer in US ? Is it easy to convert B-1 to F-1 visa or H-1 visa now ?
Thanks in advance.