根据对话内容用恰当的单词补全对话（含缩写）。

A: Hi, Lucy! I want to have a surprise party for my brother. Will you me organize it?  

B: OK.  will you have it?

A: What about tomorrow afternoon?

B: Oh, you can't have it then.  If you do, most of his friends come.

A: Why?

B: Because they are going to have a basketball game the day after tomorrow. They are all going to for it．

A: Then what about this weekend?

B: Sure. This weekend is . And by the way, what are we going to do after the party?

A: Let's go and watch an interesting video!

B: That sounds nice.