Question

please do not interfere my personal affairs the correct preposition to be e filled in the the blank is​

Answer 1

Please do not interfere in my personal affairs.

Prepositions In English Grammar

• Prepositions are common words that function as connectors between two or more parts of a sentence.
• In the above sentence, the word "in" is used as a preposition to connect two parts of the sentence.
• We can also use prepositions to show time, location, and direction.
• Prepositions are also used to introduce an object.
• Some examples of prepositions are from, upon, at, by, etc.

So the correct answer is in.