01: 1S (prefer to first show a major (even 4-cards), and you can still show support for the minor on your next bid)
02: 1H
03: 1H
04: 4D (with 5-card support and two doubletons, 3D is too weak; 1H would also be ok)
05: 3D (or 2NT (preferring to show balanced hand than minor support))
06: 1S (or 5D or 3NT)
07: 4NT (blackwood: crazy diamonds support, at least go to game, but slam seems reasonable if partner has 2 or 3 aces)
08: 4NT (blackwood: almost as crazy as the previous one)
09: 2D (could bid 1H, but the hearts are quite poor)
10: 1S
11: 4D (inviting to game)
12: 1S
13: 3D
14: 1S
15: 1H
16: 1S
17: 2D (only 5 HCP, but you have 5 diamonds and a singleton)
18: 4D (inviting to game)
19: 1S
20: 1S