Related Clues:

• Was not drinking, but took it as a matter of course
• That's past 21 across
• Tightly one over this, by the sound of it
• Swallowed and drunk one over it, by the sound of it
• Took in one of 30 across, by the sound of it, as a matter of course
• Sounds like one over the start of 16 down
• Had, as a matter of course, the sound of the last of 2 down
• Not one over the eight, by the sound of it, of course
• For 27 across S even came before, by the sound of it
• The letter from Greece was for a swallow
• To be one over this, by the sound of it, was not caused by what one drank
• What one did with one's tea, but not the tea itself
• There's nothing like it for the unaspirated or the swallow
• Took the sound of the number as a matter of course
• 'One over this is not tight, as a matter of course (3)'