Possible Clues:

• 'To repeat...'
• Beginning of a response to "Eh?"
• 'In case you didn't hear me the first time ...'
• "I Am...__": Neil Diamond hit
• Repeater's phrase
• Safetysuit "Something ___"
• Start of a response to "What?"
• "Because __ so!"
• "That's not what ___"
• 'To refresh your memory...'