What's this?
It's a phone.
What is this?
It's a computer.
Is this phone old or new?
It is new.
What are these?
They are trousers.
Do you wear socks today?
Yes, I do. / No, I don't.
What color is the phone?
It is red.
Is this computer big or small?
It is big.
Have you got a computer?
Yes, I have. / No, I haven't.
What are these?
They are socks.
Do you wear trousers to school?
Yes, I do. / No, I don't.
Are these trousers clean or dirty?
They are dirty.
Are these socks long or short?
They are long.