Of all the things schools aren't teaching anymore, the most important is definitely proper pronunciation. If it drives you up the wall to hear people mangle words like advertisement, kilometer and cocoa, then this challenging quiz should be right up your alley.
It's a poem written by a Dutch writer named Dr. Gerard Trenite in 1920 called "The Chaos." He included it in an English textbook he wrote for Dutch people, but it can be hard for native speakers as well.
Read this poem out loud and see if any words stump you. They say only 1 in 10 people can read the whole thing perfectly.
Did you struggle through that, or get everything right?
It's pretty impressive that Dr. Trenite wrote this, considering English wasn't his first language.