Choose the sentences which are correct. You will lose points for choosing sentences which are incorrect

Choose the sentences which are correct. You will lose points for choosing sentences which are incorrect.
Andrei and I are not Russian.
Are you a police officer?
Yes, I are.
You're a receptionist.
It are not easy.
She's a doctor.
They're Brazilian.
My job is interesting.
We're from Seville, in Spain.
I not from Italy.
It's a city in India.
Is they from Japan?
I'm in London today.
Taxis are not expensive here.