Question

4. Goodbye!
a. Thanks!
b. See you later!
c. And you?
5. Is Debbie good at English?
a. No, she's from Australia.
b. Yes, she's a great player.
c. No, she isn't.
6. Are you a doctor?
a. Yes, I am.
b. I live in Italy
c. Fine, thanks.​

Answer 1

4 is B
5 is C
and 6 is A
:)