[originaltext]M: My classmates are looking forward to this summer. They all wan

M: My classmates are looking forward to this summer. They all want to go home. They have been very busy with their study this semester.
W: I understand. Perhaps they are counting the days.
Q: What can be inferred about the man’s classmates?

W: Robert, Why didn’t you have your biology class today?
M: Only twenty out of a class of fifty-six showed up. Since the professor had planned to give a new lesson, he decided to put off the class until everyone was present.
Q: Why didn’t he have the biology class?