Change the following sentences from Active to passive.
7 The chef will grill the chicken in ten minutes.
8 We park our car nearby.
9. The thief stole a van yesterday.
10. Liz will recite a poem tomorrow.
11. They rent the house every year.
12. Alan pierced his nose last week.
13. The mechanic fixes the cars.
14 A young scientist will represent a new thesis.
15. I rode a horse yesterday.
16 The doctor will prescribe you some new medicine.
17. Mrs Hebert teaches Japanese at our school.
18. Tom recognized his old friend at once.