选出正确的单词，完成下列对话。
Amy: Who is your Chinese teacher?
Chen Jie: Mr Zhang.
Amy: _______ _______ (Is he / Is she ) young?
Chen Jie: No, he ______. (isn’t / aren’t)
Amy: Who is that young lady?
Chen Jie: ______ ______ ( He is / She is) our new teacher.
Amy: Is she _______ ( strict / kind)?
Chen Jie: Yes, she is very strict, but she’s kind after class.
Amy: We have _______ ( a / an ) English teacher.
Chen Jie: Really? _______ (What / Who) is he like?
Amy: She is tall and thin.