听力题目:
15.(A). Brad remembered borrowing a history book.
(B). Brad was asked to return the art history book.
(C). Brad is studying art history at the library.
(D). Brad wants to borrow an art book from the library.
16.(A). The class wanted the instructor to give another exam.
(B). The instructor left the classroom during the exam.
(C). The instructor made the students mark the exams.
(D). The students chose the date of the exam.