Who is This?

- This is a doctor.

Who is This?

- This is a policeman.

Who is This?

- This is a postman.

Who is This?

- This is a firefighter.

She can teach students at school.

Who is she?

He can put out fire. Who is he?

He can keep people stay safe.

Who is he?

She can keep people stay healthy.

Who is she?

He can bring letters to us.

Who is he?

Who are these?

- These are teachers.

Who are these?

- These are doctors.