I know that. My concerns is

來源: 於 2004-10-13 09:33:19 [舊帖] [給我悄悄話] 本文已被閱讀：次

from what time I can't go to work, the day I filed for changing status, the day I get the receipt or the day OPT expire. If there is a gap between OPT expire and H4 is effective, can I word in this gap?
Sorry about my poor English.