(2d) In other words hire 'em to leave at the outset - it's only a trick! (4) _ L _ Y.
(21a) Crib animal calls Cook by a different name, we hear. (5) B _ A Y _ .
(23d) Good start behind son and heir, by the sound of it. (4) _ _ N _ .
(50d) I may do wrong in my surroundings but I'm not sad. (5) _ E _ R _ .
(53a) Take a damaged shoe or old stocking ......... . (4) _ O _ E .
(57d) When disorientated, copy University College sit - in. (6) O _ _ _ P _ .
(61d) It's inspired! Top grade! Right? (3) A _ R .
(64a) Plagiarise this from the prescribed text. (4) _ _ I _ .