1. Three foreign languages are taught at this school .
2. this letter was received after his departure. 3. have you ever been attacked by dogs? 4. honey is gathered from flowers. 5. the ship was driven against a rock 6. by whom the circulation of blood was discovered. 7. Delicious Fruit ice cream is being sold there now. 8. we were showed the way out of the wood. 9. she was offered some interesting work. 10. her medicine was prescribed. 11. he isn't thought much of 12. this funny animal was laughed at. 13. you have been looked for the whole morning . 14. strict discipline will be insisted on. 15. this computer program has just been written by him.
