回复：OPT-H1 Gap question for Xiaobaitu and Pjiang

来源: 于 2008-03-13 08:17:18 [旧帖] [给我悄悄话] 本文已被阅读：次

Don't file F1 to B2 COS (by I-539) now if you want to work with your OPT.
But if OPT is going to expire soon, say in April, then no loss to file COS to B2.