Ответ:
Решение:
- The teacher writes with a piece of chalk on the black-board.
- We go to school.
- They learn English at school.
- We write in our English lessons.
- His brother works in a hospital.
- We write with pens and pencils.
- Pupils clean the black-board with a duster.
- There is only one agronomist on the farm.
- He is the only vet of the farm.
- That farm.
Ответ: on, to, at, in, in, with, with, on, of.
