Across: 1.era, 4.pad, 6.blame, 7.BBC, 9.ace, 11.few, 13.bowl, 14.iota, 15.yen, 17.ade, 19.the, 21.think, 22.DOA, 23.oaf

Down: 1.ebb, 2.ABC, 3.hate, 4.pea, 5.doe, 8.broad, 10.catch, 11.fly, 12.win, 16.epic, 17.aid, 18.ETA, 19.TKO, 20.elf