упражнение 5. Сomplete the sentences with the names of professions or activities. A person who writes for newspapers is a journalist. 1. A doctor who treats teeth is ... 2. A person who paints pictures is ... 3. A person who types papers is ... 4. A person who takes part in public life is ... 5. A scientist who studies the structure of materials is ... 6. A scientist who studies the structure of organisms is ... 7. A person who writes books is ... 8. A person who knows a lot about his job is ...​