回复：COS， B-2 转 F-1 的 的时间差问题

来源: marissahe 于 2009-03-27 19:03:39 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (95 bytes)

As long as your child files COS before B2 expires, it should be OK, if he/she is already in US.

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