Clue-- Try one's best (4,1,12,6) ?(?)?E, A, WHOLEHEARTED, EFFORT. Clue-- Felt elated. (3,2,3,2,3,5) ?(?)?, ON, TOP, OF, THE, WORLD. The letter (?) is same in both words
24a Darken (9) O _ _ _ C _ O _ V 1d Seafood item (8) BLUEFISH? 3d Material borne by water from glacier (7) O _ T _ A _ H 7d Working steadily (6) P _ Y I N G 18d New, just coming into being (7) N _ S _...