单项选择题
[听力原文] M: Did you have your friend type your term paper W: My sister did it.
A.The man. B.The woman. C.Her friend. D.Her sister.
A.Los Angeles. B.New York. C.San Francisco. D.Las Vegas.
A.Customer and merchant. B.Doctor and patient. C.Passenger and taxi driver. D.Passenger and bus conductor.