Misterduncan Lessons Lesson 3. Thank you June 7, 2010 admin In this lesson we look at ways to say please and thank you. This is the new version of Lesson 3. Spread the love: Related English Lessons Misterduncan Lessons Lesson 20. More Slang December 31, 2010December 31, 2010 admin Misterduncan Lessons Lesson 19. RULES November 23, 2010 admin