Question

Hi !

Answer 1

You use 'in' 'at' and 'on' when you're indicating the position or location of something. You use these words to tell a person where something is.

For example: The book is on the table.
Where's the book? On the table.

The girl is at the store.
Where's the girl? At the store.

The clothes are in the closet.
Where are the clothes? They are in the closet.

Hope this helps.