Respuesta :

the bridge collapsed with a tremendous boom is an idiom

I have a million things to do to day is a simile

1. The bridge collapsed with a tremendous boom is a type of Onomatopoeia

Because the word BOOM is a sound affect

2. I have a million of things to do today is a type of Hyperbole

Because you don't actually have a million of things to do its just an exaggeration