Most of America's big cities are IN/ ON the coast.
ON
Lodon is IN/ ON the river Thames.
ON
She has a bookshelf IN/ ON her room.
IN
My house is ON/ IN Broadway street.
ON
People like to walk ON/ IN the path.
ON
There is a cafe' IN/ ON the building.
ON
White Sharks live ON/ IN ocean.
IN
Russia is the largest country ON/ IN Asia.
IN
We should walk ON/ IN the pavement.
ON
There are many cars IN/ ON the motorways.
ON
He stands ON/ IN the middle.
IN
They live IN/ ON London.
IN