FRIDAY’S SOLUTION

ACROSS 1 Esperanto, 7 Sear, 8 Clump, 10 Cap, 11 Amoeba, 13 Play by ear, 14 Vacant, 16 Dot, 18 Erase, 19 Plan, 20 Saltpetre. DOWN 1 Escapades, 2 Seemly, 3 Erse, 4 Ale, 5 Nuclear, 6 Opportune, 8 Cabbage, 9 Coastal, 12 Hangar, 15 Cope, 17 Est.