Choose the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges.
19. Mary: “Let’s collect all the garbage in this area.” - Nam: “__________________”
A. Not at all. B. Thank you for that. C. Congratulations! D. That’s a good idea.
20. Nam: - “That's an excellent story, Lan” - Lan: - “__________”
A. Never mind B. No, thanks
C. It's kind of you to say so D. Don't say so
