QUICK CLUES

1 Shine unsteadily (7) 5 A stone fruit (5) 8 Multi-thonged whip (3-1-4-5) 9 Very steep (5) 10 In the distant past (4,3) 11 Overcast (6) 12 Unfriendly in manner (6) 15 Accomplish (7) 17 To express (5) 19 Temptingly delicious (5-8) 20 Clothing (5) 21 Cooperation (7)