Possible Clues:

• "__ Cha Know?": Erykah Badu song
• '___ bat an eye'
• 'You ___ have to do all that'
• 'Pics or it ___ happen'
• "I ___ know" (common excuse)
• 'You ___ hear this from me, but . . .'
• 'You ___ hear it from me'
• 'Bet you ___ see that coming'
• '___ you get the memo?'
• Neglected to, for short