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