Possible Clues:

• Denier's contraction
• Norah Jones "Don't know why I ___ come"
• Neglected to, for short
• Louis Armstrong's 'Oh ___ He Ramble'
• "I ___ think I had it in me"
• 'Pics or it ___ happen'
• 'If I ___ Have You' (2001 Best Original Song Oscar winner)
• "I __ mean it"
• Did not stick the penny in the hollow
• "We ___ Start the Fire" (Billy Joel)