[音频]
A. Yes, they are.
B. Yes, I was.
C. No, I don't.
D. No, we aren't.
[音频]
A. Yes, I see.
B. Yes, I am.
C. No, I don't.
D. No, I didn't.
[音频]
A. Yes, he did.
B. Yes, he does.
C. Yes, I do.
D. Yes, I know him.
[音频]
A. Yes, we are.
B. Yes, I am.
C. Yes, they are.
D. Yes, she is.