根据对话情景，填入适当的单词。
A: Hi, Nick. How are you?
B: (1)_______ fine, thanks. And you?
A: I'm OK.
B: (2)_______ me, what's this in English?
A: It's a (3)_______ ball.
B: Is this (4)_______ ball?
A: No, it isn't.
B: Do you have one?
A: Yes, I do.
B: What (5)_______ is yours?
A: It's yellow.
B: I have a tennis racket. (6)_______ play tennis.
A: That sounds (7)_______ . But I (8)_______ have one.
B: No problem. My brother (9)_______ one. Let's go and find (10)_______.
A: OK. Let's go.