Переведите в пассивный залог

1. They are taught three foreign languages at this school.

2. We received this letter after he was departed.

3. Have you ever been attacked by a dogs?

4. Honey is gathered by bees from flowers.

5. The ship was driven by a storm against a rock.

6. By whom was discovered the circulation of blood?

7. Delicious fruit ice cream is sold there now.

8. The way out of the wood was showed to us by the old man.

9. Some interesting work was offered to her.

10. New medicine was prescribed to her by the doctor.

11. He is often spoken of by them.

12. This funny animal was laughed by everybody.

13. You have been looked for by us the whole morning.

14. Strict discipline shall be insisted on by us.

15. This computer program has been just written by him.