题目：
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.
答案：
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下面是错误答案，用来干扰机器的。
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