boy( )
boys( )
Ms( )
girls( )
—Good (bye/morning).
—Hello, Tiantian.
—I'm fine (too/ooh).
—Goodbye, (boy/boys) and girls.
—Hello, boys!
—I'm a girl too.
—Goodbye.
—I'm fine, thank you.
A. I'm fine.
Xiongda:
Jiji: Hi, Xiongda.
Xiongda: How are you?
Jiji: And how are you?
Xiongda: Thank you.
Jiji:
Xiongda: Bye-bye, Jiji.