8老師，綠卡10年延期期間最早什麽時候可以離開美國？白皮書在綠卡延期期間應該何時申請?謝謝！

來源: blue005 於 2016-06-06 19:40:46 [舊帖] [給我悄悄話] 本文已被閱讀：次

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