补全对话。
A: Hi, Wang Tao! Come and let's _____ (1) basketball.
B: _____ (2), I can't.
A: What are you doing _____ (3)?
B: I'm _____ (4) my homework. Go and _____ (5) Zhang Hong.
A: Thank you. _____ (6) is he?
B: He is _____ (7) home.
A: Is Zhang Hong in?
C: Yes. Come _____ (8), please. Hi, Li Bin.
A: Zhang Hong. _____ (9) you play basketball _____ (10) us?
C: Certainly. Please sit here. Just a minute. Let's go.