Go to US official site: www.uscis.gov

來源: 糧油 於 2009-07-06 13:33:33 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (180 bytes)

Then, click "Services & Benefits"
Then, click "Visit the U.S."
Then, click "How do I extend my stay?"

All the detailed information are available. Read carefully.

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