Possible Clues:

• By Jove!
• 'What ho!'
• Draw attention in Britain to one having influence
• One's always surprised to respond thus?
• 'This is quite a surprise!'
• Repeated words in '94 Erasure album title
• My word is given to supporter losing heart
• Draw attention in 35ac to one voice
• Englishman's exclamation
• "Mercy me!"