听力原文：W: This is the third time you have been late this week, Robert. You'll have to do better than that, or I might find it necessary to let you go. M: It won't happen again, I assure you. W: This is the last time I believe you. What is the most probable relationship of the two people? A.Doctor and patient. B.Boss and employeE. C.Receptionist and tourist. D.Teacher and student.
A.M: B. W: C. What D.Doctor E. B.Boss F. C.Receptionist G. D.Teacher H.