1. My student's friend has been met at the station by them.
2. Tom wasn't allowed to take these books home.
3. The exercises won't be corrected by the teacher tomorrow.
4. How many trees which were cut down ?
5. Many peole are attracted by this well-known library.
6. The meeting was attended by all students.
8. My bike can't be repaired by him.
9. Tom has been operated by Mary since 10 o'clock.
10. French has been taught to us by Mr. Smith for 2 years.
11. The children weren't looked after properly.
