16. Напиши отрицание. .
1. The pupils used to take exams. The pupils didn't use to take exams.
2. My friend used to meet Olga on the way to school every morning.
3. Dave used to wear jeans and T-shirts.
4. Sam used to go in for swimming.
5. We used to watch TV a lot.
6. My grandfather used to ride a horse.
7. Kate used to watch TV every day.
3. Peter used to have breakfast at school.