单项选择题
[听力原文] M: Please sit down, What’s the matter with you W: Recently, I have been feeling very tired and can’t sleep well.
A.Teacher and student. B.Manager and customer. C.Doctor and patient. D.Secretary and client.
A.Brother and sister. B.Old friends. C.Waiter and customer. D.Husband and wife.
A.In a store. B.In an office. C.In a restaurant. D.In a supermarket.