Помогите пожалуйста,задания в прикрепленных файлах

Question

Помогите пожалуйста,задания в прикрепленных файлах

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Answer 1

1. Верно
2. She didn't use to be concentrating
3. Because I could see that it used to rained
4. She used to keep dairy
5. Верно
6. Didn't use to understand