Decide which nouns are countable and which ones uncountable. If a noun is countable, write its plural in the blank; if it's uncountable, write only X.
- creta
- brodo
- sedia
- asciugamano
- vetro
- bottiglia
- saliva
- caffè
- film
- problema
- autore
- olio
- opinione
- foglio
- mastice
- casco
- odio
- fiore
- schermo
- specialità