Possible Clues:

• 'Who -- kidding?'
• "___ Experienced"
• With 39-Across, "Am I making sense?" ... or a hint to two pairs of two letters in each starred clue's answer
• Question put to liquidator by business, seriously? (3,3,7,2,2)
• '— serious?'
• "What ___ doing?"
• Words before ready or serious
• Question in response to 'I am'
• Words before satisfied or serious
• "Car 54, 'Where ___?'"