Have you ever been to ______ aquarium in Qingdao before?

补全对话。
A: Hello! Emma, have you ever been to Qingdao?
B: Yes, I have.
A: How many times have you been there?
B:      1     ?
A: Only once? When did you go there?
B: Two years ago.
A:     2      ?
B:Great! It is a very beautiful place. Especially the beaches and the waves.
A:      3     ?
B: Yes. I have.I went swimming in the sea every day. Sometimes we went boating.
A: Have you done any other water sports?
B:      4     ?
A: Surf? How did you learn to surf?
B: I learned it from my uncle before I came here.
A:      5     ?
B: Yes, I'd like to. I'll teach you how to surf in the next summer holiday.