8d) Quick recipe swamped by pasta sauce (6) ?R????
5d) A rep's managed to collect 2000 for junk distributor (7) S?A????
16d) Sound in speech deceives working soldier (9) C?N?O????
19d) Vermin turn up first in volcanic rock (6) ??A????
29a) Do brief modification(5-6) S????-?????E
All help greatly appreciated