Countable and Uncountable Nouns

I need some writing paper. Paper is

I don't have ____gray hair

Abstract nouns are____.

hour, person, heir, uniform are___ nouns.

Listening to good music makes your worry go away. music is

Gases are

Can you give____advice?

There is not enough room for you. Room in this sentence is

weather words are____nouns

Would you like____of chocolate?