Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

19. Sally: "What about collecting used paper every day?" ~ Jenny: " _______"

A. Yes, you must. B. Well done.

C. That's a good idea. D. Thanks, it's nice of you.

20. Peter: “Would you like some more tea?" ~ John: " _______"

A. Yes, give me some B. Yes, you would

C. No, I won't D. No, please