1. the baby is fed
2. the phone call is answered by the receptionit
3. we are served by the waitresses.
4. the cow is milked by the farmer
5. fancy dress costumes are worn at Carnival
6. I am helpe by my father
7. the dishes are washed
8. the teacher is asked questions
9.mother is driven to work by dad
10. the car is repaired by the mechanic
11. letters are typed by the secretary
12. meat is sold at the butcher's.
13. granny is visited at hospital