What are the answers for 1-5? Thanks

Underline the correct pronoun. Each of the three sisters was willing to donate (her, their) inheritance to charity. Everybody should bring (his or her, their) own camera to class next week. Neither of the teachers had set up (his or her, their) classroom for the new school year. All new skiers should expect (his or her, their) muscles to ache the next day. Not one of the men had finished painting (his, their) section of the fence by the time it began to rain