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.

- Well, who's calling at this ungodly HOUR?
- I don't know.
The Big Bang Theory Season 1, Episode 11

It would be nice not to have to drive
to Anaheim in rush HOUR.
The Big Bang Theory Season 1, Episode 15

Hank talked to his ASAC
for about an HOUR.
Breaking Bad Season 2, Episode 8

Farms, huts, wells, and a search perimeter
I have to expand 20 kilometers every HOUR.
Money Heist Season 3, Episode 8

Where did you find one so pretty
at this HOUR?
Game of Thrones Season 1, Episode 9