Ответ на вопрос: 3. My sister used to get/didn’t used to get only good marks at school. 4. They used to give/used to gave presents to each other. 5. The aunt used to keep/used to kept to a diet. 6. Ted used to go/use to go in for swimming. 7. We used to go/used to went to Paris at Christmas. 8. Nelly used to cook a meal/uses cooked a meal for the whole family. 9. John used to work/use to work in this shop. 10. My uncle used to travelled/used to travel a lot when he was younger.