5.2 пожалуйста, ничего не понимаю

1 At 8 o'clock Betty'll be in her French class. 2 At 9 o'clock Betty'll be in her music class. 3 At 10 o'clock Betty'll be in her English class. 4 At 11 o'clock Betty'll be in her gym class. 5 At 12 o'clock Betty'll be in her art class. 6 At 13 o'clock Betty'll be at home for lunch.