根据对话内容和首字母提示，在每个空缺处填入一个适当的词，使整段对话意思完整
(每空限填一词)。
A: Hi, Kate.
B: Hi, Bill.
A: What are you going to 1_______ next Sunday?
B: Nothing much. What 2_______ you?
A: 3_______ go to the zoo. I hear there's a dolphin show in the zoo.
B: A dolphin show? 4_______ idea! How can we 5_______ there?
A: By bus 6_______ by bike?
B: OK. Let's go by bike. 7_______ shall we meet?
A: What about nine-thirty?
B: 8_______ OK.
A: 9_______ shall we meet then?
B: At the zoo gate, OK?
A: OK. See you 10_______.
