1. The student was asked to tell the story again.  

Past Simple Passive

2. While the professor was speaking no sound was uttered. (Возможно, ошибка в задании, но здесь, как ни странно, используется активный залог, а не пассивный (was speaking), а no sound was uttered — это пассивный залог.)

3. A modern tune was being played when we came into the hall.  

Past Continuous Passive

4. Every morning the boys were told what they had to do.  

Past Simple Passive

5. I sat down for a rest while the repairs were being done.  

Past Continuous Passive

6. At last the problem was solved to everyone's satisfaction.

Past Simple Passive

7. The life of man was changed by the Industrial Revolution in the 19th century.

Past Simple Passive

8. A week ago two students of our group were chosen for jury service.

Past Simple Passive

9. The game was being played with great zest by both teams.  

Past Continuous Passive

10. Last Friday he was met at the railway station.  

Past Simple Passive

11. When Tom was young, he was taught two languages.​  

Past Simple Passive