Question

I left my jacket,----- the table after it had fallen off my chair

Answer 1

I left my jacket on the table after it had fallen off my chair.
mark as brainliest

Answer 2

I left my jacket on the table after it had fallen off my chair.

On – is a preposition.

Prepositions are a word class which is used to express temporal or spatial relations or to mark various roles.

Prepositions are words that govern, precede a noun or a pronoun and express a relation to other word or noun in a clause.