You can talk to me if you would like.
Yes, me is the correct pronoun to use in the sentence <em>Mark studied all afternoon with Marcus and ______.
</em>No other pronoun can be used in this example, because you need an object pronoun, and other options are subject.<em>
</em>
Answer:
The preposition is Option 3. Into
Answer: If you mean a nickname for it I'd go with NNM.
Hope it helps
Explanation: