Mass nouns, countable vs. uncountable

Sharon likes to eat an ......... a day. She likes the Granny Smith variety best. This is a count noun.

Can I borrow a .........? I seem to have forgotten mine at home. This is a count noun.

I bought new ......... before I went on a trip to Hawaii. I wanted to look stylish in the airport and both pieces are quite functional because they have wheels.

..... is a valuable resource and is a fossil fuel. This is a non-count noun.

We live in a rainforest region, so there is a lot of ..... on the ground every morning. This is a non-count noun.

The police officers used tear ..... on the violent protestors. This is a non-count noun.

There is a lot of ..... coming out of that building. I think there's a fire! This is a non-count noun.

My grandfather is full of ...... He is very knowledgeable and I like him a lot. This is a non-count noun.

There was a lot of ..... at the Broadway show last week. People were very happy with the performance. This is a non-count noun.

I have one dog and two ...... This is a count noun.