What is he doing at the park?
He's kicking a ball.
What's she doing at the post office?
She's mailing letters.
What is she doing at the supermarket?
She's buying groceries.
Where's the post office?
It's across from the movie theater.
What is he doing at the library?
He's borrowing books.
What are they doing at the library?
They're borrowing books.
What are they doing at the department store?
They're shopping.
Where's the library?
It's between the post office and the movie theater.
What are they doing at the movie theater?
They're watching a movie.
What are they doing?
They're kicking a ball.