补全对话。
A: Hi, Sam! Come here, Let’s 1 basketball.
B: 2 , I can’t.
A: What are you 3 now?
B: I am 4 my homework. Go and 5 David.
A: Thank you. 6 is he?
B: He is 7 home.
A: Is David in?
C: Yes, come 8 , please.
A: David, 9 you like to go and play basketball 10 us?
C: Certainly! Please sit here. Just a minute. Let’s go.
1. play 2. Sorry 3. doing 4. doing 5. ask
6. Where 7. at 8. in 9. would 10. with