23a Contract hardly on seat (2-5) N-, --U-P
28a Frenchman joins kind fellow deliverer (7) M---M-N
24d Time and determination to get material (5) --I--...
18a Terrifying people go back about seconds (5) --R-S
16d Dismiss woman's accusation (9) D-S---R-E
17d Surprisingly, I test one chocolate (8) ---S-T-E...
4a Dart at large tree, getting injury (8) ---P-A--
5d Worker picks up tab, ordering ornament (7) --T-A-D
8d Diana, say - her with the nut recipe (6) --N-E-...