Question

chenge the voice the mayor speech was loudly cheered

Answer 1

Audience / Peoples / Listeners cheered at loudly to the Mayor speech

Answer 2

Hello there!

Given,
The mayor speech was loudly cheered.
⬆⬆This is in Passive Voice⬆⬆

In active voice,
They cheered the mayor speech loudly.

We have used 'They' here because we don't know who cheered the mayor speech.

Hope It will Be Helpful