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