Totally stuck on last interconnecting 4 viz 30 across (11) suffering an illness for which confinement is appropriate A?O?A???B?C; 35 across (6,5) contrasting section of song the boxer showing loss of wife M?O?L? ??G?T; 40 across (5) Rules needed for scoring team ??A?F and 23 down (8) such purchases are entirely on the cards ?A?????? I have been struggling with these 4 for a couple of hours and have a complete mental block - if anyone can help with any of them I will be most grateful