1. We bought a book in the Barnes and Noble shop.
2. Ms. Smith found some glass from the broken window on the floor.
3. Have you got any lemons?
4. There is a room for 4 people in my car.
5. There isn't any electricity at the campsite.
6. There is an onion on the table.
A - before consonant.
An - before vowl.
Any - used in negative sentences or questions.
Some - Positive sentences,uncountable and countable nouns.