Countable noun and uncountable noun exercise

Countable noun and uncountable noun exercise. Choose which of the following nouns are countable and which ones are uncountable.

bicycle	countableuncountable
car	countableuncountable
chair	countableuncountable
cheese	countableuncountable
flour	countableuncountable
grass	countableuncountable
hand	countableuncountable
person	countableuncountable
road	countableuncountable
tooth	countableuncountable