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.A shopping basket. B.A wooden case. C.A suitcase. D.Some plastic bags.
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.