Cryptic crossword
1a) or, for example, an old herb (7) ?r?????
5a) no quiet required for food (4) ???h
21a) part-exchange of French coach is outside (5-2) ??a???n
28a) a month in charge, free from germs (7) ???p?i?
3d) big fireplace, reportedly (5) ??t?r?
6d) so men turn to guru sticking to official policy 2-7) ?? m?s?a??
19d) good man, as is demonstrating a period of inactivity (6) ???s??