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.

Got one assassin, three spell casters,
no TANK.
The Big Bang Theory Season 2, Episode 3

Let's see. Bradley TANK.
Transport truck. Batmobile.
The Big Bang Theory Season 2, Episode 5

Just a little gas in the TANK...
Breaking Bad Season 3, Episode 11

Palermo! Palermo!
They're coming with a TANK.
Money Heist Season 3, Episode 8

Oh, uh, how about a
sensory deprivation TANK?
The Big Bang Theory Season 12, Episode 19