QUICK CROSSWORD

ACROSS 1 Unfortunate accident (6) 4 Drying cloth (5) 7 Astounding or wonderful (10) 8 Ribbon (4) 9 Levy (5) 11 Hidden gunmen (7) 13 Word or symbol denoting a number (7) 15 Give trouble (3,2) 17 Wagers (4) 18 Breaks through (10) 20 Vacuous (5) 21 National song (6) DOWN 1 Carnivorous insect (6) 2 Detest (4) 3 Cinema snack (7) 4 Belief (5) 5 To court (3) 6 Fine cotton thread (5) 7 Strip of wood for lighting a fire (6) 10 Conservatives (6) 12 Seedless raisin (7) 14 Supple or flexible (6) 15 Abundant (5) 16 Glazing paste (5) 17 Superlative of good (4) 19 Pinch (3)