Thank you for all help so far. A few more to go . Please. 1a) Cover roof of building pointed out by vicar? (6) No letters. 1d) Great expense in nuclear submarine, something dangerous about to go off (7) ??????T 3d) Drink being sorted, perhaps, something for the knight (5,4) ????? ?A?? 11a) in Spain, the goal appears delicate. (5) no letters.