Very grateful for all help with these clues please.
1ac: “Being a good husband to Verity? Or less than faithful? (10, 4,3,5).”
19dn: “The latest, if far from the best, careers? (3,4,7,4).”
20ac: “Ghastly rotter claims to have pinched half of ours (10).”
34ac: “Novel keeping (at first) prose writer father in a job (6-6).”