Which one?
__ home
at home
She is sitting ______ a chair.
She is sitting on a chair.
They live in London.
CORRECT.
Create a sentence using "pen – bag"
The pen is in the bag.
at school
I found my keys ______ my pocket.
I found my keys in my pocket.
The painting is hanging at the wall.
WRONG. The painting is hanging ON the wall.
Create a sentences using "picture – wall"
The picture is on the wall.
__ the door
at the door
I left my bag ______ the bus.
I left my bag on the bus.
There is a good movie in television tonight.
WRONG. There is a good movie ON television tonight.
Create a sentences using "party – Maria’s house"
The party is at Maria's house.
__ the Internet
on the Internet
The dog is running ______ the grass.
The dog is running on the grass.
I’ll see you in the restaurant tonight.
CORRECT.
Create a sentence using "notebook – shelf – classroom"
The notebook is on the shelf in the classroom.
__ the station
at the station
I’ll see you ______ the bus stop after school.
I’ll see you at the bus stop after school.
The books are in the shelf.
WRONG. The books are ON the shelf.
Create a sentence using "birthday party – restaurant – friends"
My friends are at the birthday party in a restaurant.