回乡证 = Advance Parole(AP)?
Passport and AP should be sufficient for coming back to US. You can take the photocopy of I485 receipt with you to be on safe side, but I doubt US immigration office will ask for it. For them AP is enough.
Passport and AP should be sufficient for coming back to US. You can take the photocopy of I485 receipt with you to be on safe side, but I doubt US immigration office will ask for it. For them AP is enough.