He is ____ work.
at
They are studying _____ university.
at
He is the smartest person ____ the world.
in
She was ____ the beach yesterday.
at/on
Her keys fell ____ the floor.
on
I'm ___ the plane now.
on
He lives ____ a farm.
on
There are many fish ___ the sea.
in
They live ____ North America.
in
They were ____ the festival all night.
at
I can't come over now, I'm ___ the doctor's office.
at
My best friend lives ___ the border of France and Italy.
on/at
I left my backpack ____ the car yesterday.
in
He isn't at school today, he's ____ home, sick.
at
I live ____ the outskirts of Madrid.
on
Will you be ____ the wedding tonight?
at
