Related Clues:

• "You don't say!"
• Forehead-slapper's cry
• "Of course!"
• '___ soup yet?'
• "But ___ art?"
• 'Boy, am I dumb!'
• "How could I be so stupid?"
• 'What time ___?'
• "How obvious!"
• '-- an earthquake or ...',
• 'Isn't that obvious?'
• 'Isn't that obvious?'
• “What ___ now?”
• 'Well, that's obvious!'
• ''Really?''