We have H1 and H4 visa now,H1/h4 going to expire next year(2008), we are going to chanage to F1 and f2 on August 1,2007. we the application ( for change status to f1/f2)the day before yesterday(May16,2007),If we landing to canada tommorrow, can we go back to USA on sunday(May 20).
thank you very much for your help!!!