a) 1. was sent
2. were fed
3. was felt
4. was seen
5. were tried
6. was killed
7. was milked
8. ws bought
9were placed
B) 1. was built
2. was received
3 . were printed
4. were taken
5. was heard
6. was written
C)1. was taken
2. was heard
3. was translated
4. were bought