根据下面的对话情景,在空白处填上一个适当的句子,使对话的意义连贯、完整。
A: Hi, Mark. I called you this morning, but nobody answered. ①______________?
B: I was running at that time. What's up?
A: I want to have a party. ②______________?
B: sure, I'd love to. ③______________?
A: I will have it on Saturday afternoon.
B: Did you tell Mr Lee about it?
A: Yes, I did.
B: ④______________?
A: I plannted to have it today after class. He said there would be a test the day after tomorrow.
And he asked me to have it on Saturday afternoon.
B: ⑤______________. See you then.
A: See you then.