Ответ:

1. My friend promised that he would visit me in a week.

2. Sue said she had been waiting for us for half an hour

3. Everybody wanted to know why they had destroyed their relationship.

4. Brian said he didn't want to have children.

5. We didn't expect the restaurant would be so expensive.

6. All wanted to know what had happened to Bill.

7. Our relatives wrote they would have arrived by the end of the week.

8. We saw that she was translating the text.

9. Frank said to us that he had never seen that man before.

10. They worried as they didn't know if the children would like their presents.

Объяснение:

Если начало предложения в Past Simple, нужно использовать согласование времен.