(9a) Blue South African car joins Midge. (5) _ Z _ R _ .
(10d) Threatened fix over top service. (7) M E _ A _ E _ .
(28d) Randy has just been picked. (5) F _ _ _ _ .
(30a) One who gives off chromium around a twitcher's cover. (6) _ H _ D _ _ .
(34a) Airs back over second unknown in the Middle East. (5) _ _ R _ A.
(35d) Misrrable gag we'd put over. (8) _ R _ T _ H _ D .
(48a) Seen about America - it follows. (6) E _ S _ _ S .