The fish is ... the fishbowl.
in
Carlos and Kimberly are ... the city.
in
She is ... home.
at
Miss Ana is ... school now.
at
The cat is ... the sofa.
on
Melissa is ... the bus.
on
My father is ... work.
at
The hat is ... her head.
on
Will is ... the kitchen.
in
My computer is ... the desk.
on