a greengrocer/sell meat
A greengrocer doesn't have to sell meat .
a bus driver/drive people around their cities
A bus driver has to drive people around their cities.
an actor/carry boxes
An actor doesn't have to carry boxes.
a ballerina/help sick people
A ballerina doesn't have to help sick people.
a waiter/make people laugh
A waiter doesn't have to make people laugh.
a police officer/fights with criminals
A police officer has to fight with criminals.
a firefighter/catch criminals
A firefighter doesn't have to catch criminals.
a baker/bake bread and cakes
A baker has to bake bread and cakes.
a mechanic/fix cars
A mechanic has to fix cars.
a writer/write stories
A writer has to write stories.
a postman/bring letters to people's houses
A postman has to bring letters to people’s houses.
a sportsman/play sports
A sportsman has to play sports.
a clown/make people laugh
A clown has to make people laugh.
a teacher/teach students
A teacher has to teach students.
a doctor/serves food and drinks
A doctor doesn't have to serve food and drinks.
a nurse/dance
A nurse doesn't have to dance.
a vet/take care of children
A vet doesn't have to take care of children.