What is she wearing?
She's wearing a (blue) dress
What is she wearing?
She's wearing socks
What are these?
These are trousers
What is he wearing?
He's wearing trousers
What are these?
These are shorts
What's this?
This is a dress
What are these?
These are (three) T-shirts
What are these?/
These are socks
What's this?
This is a sock
What's this?
This is a T-shirt
What is he wearing?
He's wearing shorts
What are these?
These are (two) dresses
What is he wearing?
He's wearing a T-shirt