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.

But now the priority is ZERO victims.
Money Heist Season 1, Episode 5

There. Nice and comfy-cozy.
Zero, ZERO, ZERO.
The Big Bang Theory Season 2, Episode 16

Multiplied by a matrix
of negative I comma ZERO...
The Big Bang Theory Season 5, Episode 7

is holding strong at ZERO dollars.
Ah.
The Big Bang Theory Season 7, Episode 11

...that spot at the moment I first sat on it
would be ZERO, ZERO, ZERO, ZERO.
The Big Bang Theory Season 2, Episode 16