Related Clues:

• '-- been working...'
• Suffix with excess
• Direct extender
• Stick-to-it-___
• Correct ending
• '___ Got the World on a String'
• '___ got an idea'
• ''__ been thinking . . .''
• Some add it to impress
• '-- got it!'
• ''___ Got Sixpence''
• 'You're All ___ Got Tonight'
• '-- seen worse'
• 'So ___ heard'
• Correct suffix?