回複：假博士，我見，dan72, Please help!

Do you mean that you filed change of status to F1 using expired H4-I94 two months ago? Or you are already in F1 for two months? With a new F1-I94,date D/S right? If you are F1 now, there's no H4 to extend, and you need to be a full-time student to keep status.