单项选择题
M: I’ve had a pain in my stomach since this morning. W: Don’t worry! Get on the couch and let me examine you. Do you feel any pain here
A.Salesman and customer. B.Boss and employee. C.Doctor and patient. D.Teacher and student.
A.Vases with a light blue background. B.Paintings of flowers. C.Paintings of birds. D.Vases with a dark blue background.
A.At 6:00 a.m. B.At 6:00 p.m. C.At 6:30 a.m. D.At 6:30 p.m.