In line 698, before Grendel arrives, the narrator says: “Through the strength of one they all prevailed.” How is this a foreshadowing, and what does it mean?

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.