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.

"Move fast," I REPLY.
Game of Thrones Season 1, Episode 5

You're frustrated because he phrased
his REPLY in a meaningless tautology?
The Big Bang Theory Season 2, Episode 3

You'll give the Starks our REPLY, cousin?
Game of Thrones Season 2, Episode 2

He's using psychological warfare.
We must REPLY in kind.
The Big Bang Theory Season 1, Episode 13

I'd like to read the REPLY.
Game of Thrones Season 5, Episode 3