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.

Turkey and ROAST beef
with Swiss and lettuce on whole wheat.
The Big Bang Theory Season 1, Episode 14

and ROAST it over a campfire,
The Big Bang Theory Season 12, Episode 20

I asked for turkey and ROAST beef...
The Big Bang Theory Season 1, Episode 14

It smells better than ROAST lamb,
dad, that ROAST lamb.
Money Heist Season 1, Episode 1

It smells better than ROAST lamb,
dad, that ROAST lamb.
Money Heist Season 1, Episode 1