Bang bantu saya ngerjakan nomor 5

a. Thanks, but i already to do it
b. Thank you, but i've been drinking coffee
c. thank you very much, you are the best

a. accepting : yes, of course. thanks.
declining : Thank you, but I can do it myself.

b. accepting : Yes, please.
declining. No, thanks. I am not thirsty.

c. accepting : Can you? Thanks. I really need your help.
declining : Thank you for your offer. But I should finish it myself.