Antonym for microphone is whisper or murmur
It would make more sense if you did “later, she added a suggestion box.”
I think its "My brother's room is so messy that it looks like a meteor hit it". I'm not too sure though, I'm stuck between "I can tell that I sing really well by the way my dog howls along" and "My brother's room is so messy that it looks like a meteor hit it".
