6d Put up with function, eating mushroom (6) A?C?P?
25d Can progress in game requiring little ability (5) B?N??
21d Minister in retreat, saving a firm (6) ?E?C??
28a Italian City with university good for mathematician (6) T?R???
29a Instrument's quality of sound enthralling gypsy baron (8) ?R?M???E
I've got possible answers of accept, bingo, deacon, torino and trombone,.. but fail to see why
Thank you again for your help