Betty: Lingling, have you ever been to the US?
Lingling: No, I haven’t. I’ve always wanted to go there.
Betty: Would you like to come and visit me next year?
Lingling: That sounds wonderful! I’d love to.
Betty: I haven’t asked my parents, but I’m sure they’ll say yes. Have you ever travelled by plane?
Lingling: Yes, I have.
Betty: Did you enjoy it?
Lingling: Yes, it was very exciting, but I was quite tired.