Complete the detective's dramatic case report by choosing the correct pronoun for each blank.

The suspect handed the mysterious briefcase directly to me. Luckily, my partner and I had already switched the bags in the lobby. The briefcase full of Monopoly money was actually mine all along! Thanks to this clever trick, I finally solved the case and caught the thief.

The suspect handed the mysterious briefcase directly to me.

We use the object pronoun "me" after the preposition "to" (receiving the action).

Luckily, my partner and I had already switched the bags in the lobby.

We use the possessive determiner "my" before the noun "partner."

The briefcase full of Monopoly money was actually mine all along!

We use the possessive pronoun "mine" to show ownership without repeating the noun ("my briefcase").

Thanks to this clever trick, I finally solved the case and caught the thief.

We use the subject pronoun "I" because the speaker is performing the action (solving the case).