Related Clues:

• "Please explain"
• "___ convenient"
• "--- dare you!"
• Question about process
• A question of methodology
• Toddler's query
• A question of technique
• Motivational question?
• With 69-Across, optimistic question, or a possible title for this puzzle
• One-word question
• "And __!": "Absolutely!"
• Explanation request
• 'Explain this'
• Tot's frequent question
• '___ was I supposed to know that?'