Four letter clues.
29d Trace of pike turnrd up in river? The reverse. D??G
2d Hundred dollars being nominal annual payment in Quebec. C?NS
7a My ecentricity shows in old-fashioned thong. ??RE LORE?
31a Murdoch's backed mobile assistant. ?I?i
7d Faulty service beginning to trouble northerner. ?ET? LETT?
Thanks.