1. They work in the office. They don't work in a hospital.
2. They have tea. They don't have coffee.
3. They have lunch at school. They don't have lunch at home.
4. They go for a walk in the evening. They don't watch television in the evening.
5. They go to bed at ten. They don't go to bed at eleven.
6. They like fish. They don't like meat.
7. They read books after school. They don't play computer games after school.
8. They play the piano on Sundays. They don't play guitar on Sundays.
9. They go to school. They don't go to work.
10. They swim in the swimming pool. They don't swim in the sea.