Question

if necessary, rearrange the pieces below so that the sentence is in the active voice. do not change the meaning or tense. miles moraless pet dolphin was trained by me.

Explanation:

In an active - voice sentence, the subject performs the action. In the given passive - voice sentence "Miles Morales's pet dolphin was trained by me", the subject of the active - voice sentence should be "me" (the doer of the action), and the action is "trained", with the object being "Miles Morales's pet dolphin".

Answer:

I trained Miles Morales's pet dolphin.