听录音,补全对话。(10分) A: Amy, do you have new teachers? B: Yes, we have _________ new teachers. A: Who _______ they? B: A ___________ teacher,an ________ teacher, and a ____________ teacher. A: __________ your Chinese teacher? B: Mr Hu. A: __________ he __________? B: He is __________ and __________. He is very funny.