Which sentence in the passage uses informal language?
the paris trip was wonderful. we visited many beautiful places. my favorite was the louvre. it's amazing and dreamy. in fact, all the
monuments, especially the palace of versailles, are so much lovelier than their pictures. and the food! i swear every time i passed a patisserie,
would lose my mind over those droolworthy chocolate croissants. i think that's pretty much all late for breakfast every day.
reset

The sentence which uses informal language is, I think that's pretty much all late for breakfast every day.

Explanation:

Informal language is a colloquial language which is often used in casual conversation. Such language cannot be used in academic writing. The passage mentioned above describes about the Paris trip.

If we look at the ending statement in the passage, ‘I think that's pretty much all late for breakfast every day’ we will notice that it contains a informal language which is ‘pretty much.’ The formal word for this term is ‘almost’ or ‘nearly’ which can be used in professional writing.

"the sandy walls seemed to collapse in on themselves"

and

"the bloodshot waters seemed to have no bottom"