1 down. Young dog. 5 letters.
2 down. Young insect. 5 letters.
3 down. Chain of events – i.e. cannot act on (anag). 13 letters.
4 down. Fight. 6 letters.
5 down. Tireless – if debating ale (anag). 13 letters.
6 down. One buys and sells. 6 letters.
7 down. There’s sometimes a string of these. 6 letters.
12 down. Face, count or heart? 4 letters.
14 down. Inclination. 4 letters.
15 down. Annoyed (slang). 6 letters.
16 down. Cook’s guide. 6 letters.
17 down. Final part. 6 letters.
19 down. Store at the bank. 5 letters.
20 down. Extreme low. 5 letters.