Need a few, stuck in a corner:
14a Novices have tense air, possibly!(8) ??A?N???
17a Engross, inhabit (6) ????P?
21a Sportsgrounds (7-6) ????i??-?i???S
24a Golf club (5,4) ????T,???N
Thanks in advance. It's a stinker, so will probably be back for more!