Réponse :
1. The whole cake was eaten by them.
2. He was killed by a car.
3. The notice was taken down by them.
4. The TV set is being mended by the repairman.
5. The cello concerto was composed by Elgar.
6. Money was found in the garden by them.
7. A new bridge is being built over the river by them.
8. How many concertos was composed by Elgar?
9. Spanish is teached by Mr Ross
10. An enormous bunch of roses was sent by her fans.