1) Are you good at sport?
Yes, I am.
2) Is your name Ruslan?
No, it isn't.
3) Is basketball popular at your school?
Yes, it is.
4) Are you friends interested in drama?
No, they aren't.
5) Is your best friend from Italy?
No, she isn't.
6) Are you and your friends good at sport?
Yes, we are.