Teacher-school-teach students
farmer-farm-grow vegetables
greengrocer-greengrocer's-sell fruits and vegetables
postman-post office-take ĺetters to people
waiter-cafe-serve people
teacher works at school.She teaches students.
farmer works at the farm.He grows vegetables.
greengrocer works at the greengrocer's.He sell fruits and vegetables.
postman works at the post office.He take letters to people.
waiter works at the cafe.He serve people
буду рада если выберишь лучшим ответом)))