I am a new student to 101, and have only browsed through the beginner levels. Perhaps my suggested topics have been covered in the advanced section; but what about presenting 2 lessons for:
Taking you car into service, explaining the issues with the car, and providing definitions for registration and tune-up. To give a brief explanation in Cantonese of what repairs were performed by the mechanic.
Also a brief vocabulary lesson for returning items to a supermarket to receive an exchange or refund.
As I said before, I am really enjoying these lessons.
Thank you. Ken