The plane flew in formation _____ the fields.
The plane flew in formation _____ the fields.
Explanation
The plane flew in formation over the fields.
ہوائی جہاز نے کھیتوں پر تشکیل میں اڑان بھری۔
The preposition "over" is used when something is directly above and moving across something else (e.g., land or fields).