Possible Clues:

• "My great hope __ laugh as much as I cry": Angelou
• 'It ___ die for!' ('Yum!')
• Comparative words
• Ratio center
• Comparer's phrase
• Colon, on a test
• 'What -- be done?'
• ':' in an analogy
• Finch album "What It ___ Burn"
• Analogy snippet