单项选择题
[听力原文] M: I think I can check out as many books as I need with the student card. W: But not the reference books.
A.Salesperson and customer. B.Editor and reader. C.Teacher and student. D.Librarian and student.
A.Some food and vegetables. B.Some fruit. C.Some sugar. D.Some juice and win
A.To turn up the volume of TV. B.To turn down the volume of TV. C.To turn up the volume of the radio. D.To turn down the volume of the radio.