用适当的单词、短语或句子补全对话。
A: Hello! (1)______?
B: This is Karen speaking.
A: (2)______ are you going for your vacation?
B: I have no idea. What about you?
A: I'm going to Sanya.
B: What are you doing there?
A: I am (3)______ beach volleyball, eating seafood, and going sightseeing.
B: That sounds great. (4)_______?
A: My parents and my sister.
B: I hope you enjoy yourselves.
A: (5)_______.
