A．Bob has also been mad at her recently.
B．The man should ask Bob to apologize.
C．Bob might not be really angry with the man.
D．Bob will probably remain angry until the man apologizes.

A．Because you may give lectures and seminars.
B．Because you may have no project work after class.
C．Because you may have fewer timetabled teaching hours.
D．Because you may write seminar papers with fellow learners.