Cryptic crossword

Monday's puzzle...

ACROSS

3 and 34 Disagree with rest before classes (5,5)

8 To trade on gold could be torture (6)

9 One man took a long time to create portraits (6)

10 Did some bands fall over on board ship? (6)

11 Show exhibit in evidence (8)

12 and 29 The very best advice to president (6)

13 Give up claim, and leave after warning, of course (6)

14 Dig up a nest in the farm-buildings (8)

17 Levies have provided force among sailors (7)

19 Start to stock a gallery with Italian stuff (7)

23 Upset by girl's shape (8)

27 Confidential minute-taker misplaced a line (6)

29 See 12 across

30 Set up a great deal for one kind of pasta (8)

31 Would conciliatory approach inspire nicer politics? (6)

32 In the hunt, hound blackbird (6)

33 Guarantee to get blame, if caught out (6)

34 See 3 across

DOWN

1 Having a grand old time, getting to a catacomb (6)

2 Disease caught from fruit; twice, by all accounts (8)

3 German paper had second wrong after Countdown (5-3)

4 Obscure stakes at Sandown Park in July (7)

5 Prompt understanding with the French (6)

6 Opened ground to accommodate church (6)

7 Attend the last two, even when defeated (6)

13 Overweight boy could be in store (5)

15 and 18 Decide in favour of substitute (3,3)

16 Welcome good run to back support, of course (5)

18 See 15 down

20 Have responsibility for a copper mixed up with spies (8)

21 Step up to accumulate at the wicket (8)

22 Skill is with an experienced craftsman (7)

24 I have to stay with first mate in the same place (6)

25 To get round meadowland may bear fruit (6)

26 Put doctor in charge of cattleman (6)

28 As a refugee from them, I grew apart (6)