Indefinite Pronouns
A police officer helps...when he/she needs it.
somebody
This person cooks food and buys ingredients.
A chef
...did you do during Christmas vacations?
What
Police Officer
A person who catches criminals
One place
Somewhere
A park ranger helps people in big natural parks, and makes sure there is...wrong.
nothing
This person helps people who are sick.
A nurse
...did you go on vacation this summer?
Where
Park Ranger
A person who works in a national park
No people (in affirmative sentences)
Nobody
An astronaut explores space, and knows...about the planets.
everything
This person takes care of animals, and grows a lot of our food.
A farmer
...was your best friend in infantil?
Who
Waitress
A person who serves food and takes orders
All the objects
Everything
A journalist interviews people and writes articles, even when there isn't...interesting.
anything
This person takes care of animals in the zoo.
...did you wake up this morning?
When
Shop Assistant
A person who helps shoppers in a store
One person
Somebody
A bus driver drives around town: they always need to be....
somewhere
This person does dangerous things in films.
A stuntwoman
...player in Among Us is your favorite?
Which
Journalist
A person who writes articles and interviews people
No places (in negative sentences and questions)
Anywhere