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.

Wait a MINUTE. Did--
The Big Bang Theory Season 12, Episode 2

Give me a MINUTE.
The Big Bang Theory Season 5, Episode 12

- Okay, what's the big surprise?
- Just a MINUTE.
The Big Bang Theory Season 3, Episode 15

Give me a MINUTE. I'm stimulating
the pleasure cells of this starfish.
The Big Bang Theory Season 8, Episode 2

Wait a MINUTE, a child?
You never see this girl.
The Big Bang Theory Season 4, Episode 1