Who are they?
They're students.
Are they teachers?
No, they aren't. They're firefighters.
Is she a taxi driver?
Yes, he is.
Who's she?
She's a student.
What does a taxi driver do?
He drives a car.
What does a pilot do?
He flies an airplane.
Who are they?
They're office workers.
Who are they?
They're dentists.
Are they office workers?
No, they aren't. They're engineers.
What does an office worker do?
She uses the computer.
Is he a taxi driver?
No, isn't . He's a police officer.
Is she a cook?
No, she isn't. She's a nurse.
Is she a farmer?
Yes, she is.
What does a firefighter do?
He climbs a ladder.
Are they pilots?
Yes, they are.
Who's she?
She's a doctor.
Who's he?
He's a teacher.
Who's she?
She's a cook.
Who are they?
They're salesclerks.
Are they teachers?
Yes, they are.