Question

The two friends were sitting... each other complete preposition ​

Answer 1

Answer:

with is correct preposition .

Answer 2

Answer:

The two friends were sitting with each other

Explanation:

i do it because We use with to refer to what we use to do something: They opened the package with a knife. I'll tie it with some tape to keep it closed. He cleaned the table with a cloth he found in the kitchen