出境的時候報案I-94lost , no nothing that dramatic, just tell the airlines check-in person and they know what to do (the airport of the last stop in US, for example Chicago, Detroit, SF, etc)
Also, the B2 extension can be approved. (also can be denied). USCIS delay the decision to your new requested expiration date so that you have no ground to file second extension. (Some people do file 2nd B2 extension)
Also, the B2 extension can be approved. (also can be denied). USCIS delay the decision to your new requested expiration date so that you have no ground to file second extension. (Some people do file 2nd B2 extension)