Ответ:
A:Have you ever been to Australia?
B:No, I have not. And you?
A: Yes, I have.
B: Have you gone to China too?
A: No, I haven't, but I have been to Korea.
B: You traveled to many countries in your life...
A: Yes, I did. I have met a lot of people and I've tried a lot of interested food.
B: But you haven't learned to speak English perfectly!
A: Not yet...