Is this sentence active or passive the custodian repaired the classroom door

your answer would be active and if you were to rewrite the sentence it would be "The classroom door was repaired by the custodian.

Explanation:

The person below gave a longer explanation of this I just put it into short terms for those in a hurry if you have time please read the other person's explanation. I had this question on the five-day language review week one on tuesday

recent brain research has shown some surprising benefits as a result of formal musical training. learning to play a musical instrument appears to develop parts of the brain that can even influence academic results. the studies indicate that the earlier a child begins training, the more benefits there are. one such study showed that children who began musical studies before the age of seven had a more developed brain in the region where language production and auditory processing take place. scientists believe there is mounting evidence to show that early musical training can improve brain function.

explanation: