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.

- Do you have a PREFERENCE?
- I don't care, get the TARDIS.
The Big Bang Theory Season 6, Episode 5

Because a gorilla go-go dancer
of any sexual PREFERENCE
The Big Bang Theory Season 7, Episode 23