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.