听力原文:M: Are there any more questions on this lecture? Yes, Mary.W: Dr. Baker, do you t
听力原文:M: Are there any more questions on this lecture? Yes, Mary.
W: Dr. Baker, do you think an independent candidate could become president?
Q: What most probably is Mary?
(18)
A.A student.
B.A reporter.
C.A visitor.
D.A lecturer,