回複：孩子快到21歲了，必須從H4轉到F1。要提前多久開始辦理？

來源: pjiang 於 2011-09-05 19:25:04 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (105 bytes)

Make sure USCIS has received I-539, prior to his birthday or I-94 expiration, whenever comes first

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