Possible Clues:

• 'When from our sin he set us --', part of a carol
• Force me, every now and then, to let go
• Frank is force-fed regularly
• The best possible price
• Toll to cross river? No charge
• Let off majority of cold weather, but only just!
• Release by opening 6 down
• Costing you zilch
• Chaotic worsening situation in underwater system, everything beyond belief, ultimately
• & 24 & 25 Frank calling with dinner for students in former auditorium