4 Down: Sherry lover (7)????O?O
5 Down: I posted another payment after this (7)????S??
19 Down: Close space made by temporary substitute(7)S??????
20 Down:Worst place to park during break for repairs (3,4)P??????
29 Across: Rubbish, it produces opium mate (9) ????Y?O?K
Sorry there are so many ???.....Many than ks in advace.