Circle the letter A, B, C, or D to indicate the most suitable response to complete each of the following exchanges. 23. Nam: “ Do you enjoy collecting stamps?” Ba : “ -------------------“ A. Yes, I do it every day B. No, thank you C. Yes, very much D. Yes, please 24. Lan and Mark are talking about what they did last summer to help the community Lan: We planted some trees in the schoolyard and tutored primary students Mark: --------------- A. That’s a good idea! B. Certainly. C. wonderful! D. thank you!