How easy was it for a citizen living in ancient Greece to change his or her class status? In your opinion, is socioeconomic status in contemporary
society more fixed or more fluid than during ancient Greece?

Which sentence corrects the error in pronoun-antecedent agreement? new team members should pick up his or her jersey from the activities office. if a team member is unable to attend a practice, he or she must provide a doctor's note. if students wish to compete, he or she must maintain a grade point average above 2.5. students are not permitted to attend away games without the consent of her parents or guardians.