E) Answer the questions using short answers.

1. Is Mary your best friend? Yes, she is. 2. Are Sue and Ken doctors? No, they aren't. 3. Are you my classmate? Yes, I am. 4. Are you Ben's cousins? Yes, they are. 5. Is Robert a plumber? No, he isn't. 6. Is it cloudy today? Yes, it is. 7. Are mum and dad at work? Yes, they are.