A．He is a university student, looking for a part-time job.
B．He is a lifeguard but intends to find a better job.
C．He is a junior school student working part time as a lifeguard.
D．He is a clerk, working in the mailroom of a university.

A．It was a long lecture, but easy to understand.
B．It was not as easy as she had thought.
C．It was as difficult as she had expected.
D．It was interesting and easy to follow.