So far, like Scorpius, I've identified a two-word quotation but can't progress beyond that. Everything seems to depend on the "key" which at present eludes me. There seems to be an ambiguity at 30...
9a Dont start to chase girl for false statement (7) ????u?h
4d Entertained by poster describing clio for instance (6) A ???E?
Any help appreciated as always...