我父親去年11月B2簽證來美，今年五月交了延期申請。現在還沒有結果。如果我還想給我父親延半年， 我該怎麽辦？
-He can not extend the B2 again during the previous B2 extension application is still pending. Also. the B2 status normally can only be one year maximum. So even if he can file the extension, it will not be approved.
