Help for the following, please!
ACROSS:
23 Restrained. Yes! Outside ( 6 ) : ?E????
31 Rough-neck on outskirts of Galway(6): ?R??I?
34 Stay in café to etch( 7, two words): ?A??G??
39 Letters from Westmarsh regularly(4): ??A?
42 Simple operation for vital oarsman(9): ???S???K?