Possible Clues:

• 'Either she goes -- go!'
• "... ___ quit!" (ultimatum ending)
• '... — quit!'
• 'Either you do it ___ will'
• 'Either he goes ___ go!'
• '... ___ will die'
• 'Withhold no atom's atom ___ die': Keats
• Prefix with nasal that means 'mouth'
• ' ... ___ will turn this car right around'
• 'Show pity, ___ die': 'The Taming of the Shrew'