When referring to location, in generally means inside (adentro), on means on top of (encima de) and at refers to presence in a place without specifying the exact location (en). Some examples include: in the box, in the refrigerator, on the floor, on the blackboard, at the movies, at the office. The following phrases are used without the definite article the: at work, at school, at home, at church.
Instructions. Select in, at, or on.
The car keys are ________ my purse.
in
at
on
The butter isn’t in the refrigerator; it’s ________ the table.
in
at
on
I like the painting ________ the wall in your dining room.
in
at
on
Mary isn’t at home; she’s ________ work.
in
at
on
The children are ________ the living room watching T. V.
in
at
on
Barbara is ________ the mall with Jeannie.
in
at
on
Please write the sentences ________ the blackboard.
in
at
on
Peter is ________ his room playing video games.
in
at
on
John and Bill are ________ the S.B.C. Center, watching a Spurs game.
in
at
on
Why is the cat lying ________ the sofa?
in
at
on
The scissors are ________ the top drawer of the desk.