THURSDAY’S SOLUTION

(No 7,917): ACROSS: 1 Back to front. 7 Anti. 8 Avarice. 9 Tim. 10 Twice. 11 Pisces. 13 Duress. 16 Annul. 18 Cot. 19 Tunisia. 20 I-spy. 21 Commonplace. DOWN: 1 Banzai. 2 Critic. 3 Tramps. 4 Feast. 5 Orifice. 6 Teeters. 11 Plastic. 12 Synonym. 13 Decamp. 14 Retina. 15 Simple. 17 Lasso.