9．
根据所给情境及上下文，完成对话。
星期天早上，Tom 邀请 Wang Bing 上午一起去打篮球。但是 Wang Bing 上午要去少年宫上英语课。下午 Wang Bing 没有课，所以他们约好下午三点再一起去学校操场打篮球。
A: , Wang Bing.
B: Good morning, Tom.
A: Let's go and now.
B: Sorry, I have an .
A: But it'stoday.
B: Yes. So I'm going to the Children's Palace.(少年宫)
A: What about this? Do you have any?
B: No, I.
A: Good. Let's meet ato'clock in theplayground.
B: All right.
