Перепишите следующие предложения, чтоб пассивные конструкции были изменены на активные

Перепишите последующие предложения, чтобы пассивные конструкции были изменены на активные глаголы.
1. Before the semester was over, the new nursing programme had been approved by the Curriculum Committee and the Board of Trustees.
2. With five seconds left in the game, an illegal time-out was called by one of the players.
3. The major points of the lesson were quickly learned by the class, but they were also quickly forgotten by them.
4. For several years, Chauncey was raised by his elderly grandmother.
5. An unexpected tornado smashed several homes and uprooted trees in a suburb of Knoxville.
6. I was surprised by the teacher's lack of sympathy.
7. Tall buildings and mountain roads were avoided by Raoul because he had such a fear of heights.