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来源: 2018-05-08 15:31:57 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读: 次 (317 bytes)
No law limits this, but whether the B2 is approved depends on the reasons/justification. Normally, B-2 status may be for one year continuously (i.e. extend one time after you enter US using B2 visa).

Anyway, you need to convince USCIS why you need to change your F-1 to B-2 status.

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Thanks! -flowmind- 给 flowmind 发送悄悄话 flowmind 的博客首页 flowmind 的个人群组 (0 bytes) () 05/08/2018 postreply 21:02:12

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