The unclued lights, (one pair, one hyphened and one of two words) are of a kind. One clue leads to a number.

Across

10 Alpine skier initially taking exercise by Norway’s top ski-resort (5)

11 Bowler in Anglo-French waters (6)

12 Most of the month witnesses are heard. That’s novel! (7)

16 Capital oil change in neutral (10)

17 Scots have broken amulet with little hooks (8)

20 Call round for drummer (5)

21 Shouts as ogre’s cuddling Doc? (7)

22 Hear Irish river lament (5)

27 Small flat’s ready (3)

31 You once receive records of evidence of Fido’s excitement (5)

33 Perthshire village where wretched artist is taken in (7)

34...