Lesson Complexity: Upper-Intermediate

• 1 GE|Adults|Upper-Int|21. Advertising tricks
• 2 GE|Adults|Upper-Int|20. Business and advertising
• 3 GE|Adults|Upper-Int|19. Honest workers or thieves?
• 4 GE|Adults|Upper-Int|18. I wish…
• 5 GE|Adults|Upper-Int|17. Regrets, I’ve had a few
• 6 GE|Adults|Upper-Int|16. Things that really annoy us
• 7 Adults|Spoken|Upper-Intermediate|1. Problem parents
• 8 Silicon Valley|Season 1|Episode 8: Optimal Tip-to-Tip Efficiency
• 9 Silicon Valley|Season 1|Episode 7: Proof of Concept
• 10 Silicon Valley|Season 1|Episode 6: Third Party Insourcing