I entered in US with B2, transfered to F1 (it's not a visa, but a F1 status) within US. My hu*****and is J1. So I have no I-94 card for my F1, only a expired I-94 for B2. Can I go to Canada & back within 30 days without get a new F1 (like the people enter US with F1 directly)?
please give me some advice. Thanks a lot.