Possible Clues:

• Frank and sincere
• Frank ate this when taking the examination
• Frank is able to get 17 across
• Frank may have performed
• Frank is capable and practised
• Outspoken? Peel could be, reportedly
• 9, a contender, ate out
• Open unfinished work of Voltaire or Shaw
• Frank ate in the way of 8 across
• Frank and outspoken