1. Ann … absent from school yesterday. 2. The exercises at the last lessons … difficult. 3. She … in the same class as Nick last year. 4. We … tired after our long walk. 5. The weather yesterday … very warm. 6. There … a lot of students absent from class yesterday. 7. I … hungry after so many exercises. 8. I … busy all day yesterday. 9. We … good friends for many years.