Passage One Questions 26 to 29 are based on the passage you have just heard.

A．Mark the latest homework assignment.
B．Put a cancellation notice on the classroom door.
C．Make an appointment with the doctor.
D．Return some exams to his students.

A．Students with a library card can check any book out.
B．Reference books are not allowed to be checked out.
C．Only students with a library card can check out reference books.
D．The number of books a student can check out it unlimited.