THEUNTOUCHABLES

ITSALLGREEKTOMEAdmission of confusion ... or a hint for interpreting four answers in this puzzle AUXILIARYENGINEBackup power source ROUTINEPHYSICALAnnual exam performed by a general practitioner IRREGULARGALAXYCelestial object with an indistinct shape ITSNOTAGOODSIGN"That spells trouble!" ITHINKILLMANAGE"This seems doable on my own" SINGLEOCCUPANCYHotel room for one SOLOPERFORMANCEAny operatic aria EXCLUSIVEAGENCYOnly broker marketing a house SORRYWERECLOSED56-Across on a store POLLINGSTATIONSPlaces that get a lot of volunteers in November ESCAPEATTENTIONSlip by unnoticed INSEVENTHHEAVEN"Pearly Gates" happy BUILDINGBRIDGESUrging reforms with Bible, did special reconciliation work (in pairs of across answers here)