The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

The Emergency Unit stays in Madrid.
Money Heist Season 3, Episode 8

Emergency drill night
last night, huh?
The Big Bang Theory Season 5, Episode 15

Emergency preparedness drill.
The Big Bang Theory Season 5, Episode 15

EMERGENCY
Money Heist Season 3, Episode 7

Now, the EMERGENCY
contacts are on the fridge
The Big Bang Theory Season 12, Episode 17