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.

Even SENSIBLE.
Money Heist Season 3, Episode 2

Why can't they do
something SENSIBLE
The Big Bang Theory Season 7, Episode 14

Make sure to wear SENSIBLE shoes.
The Big Bang Theory Season 9, Episode 11

And I had a SENSIBLE salad for lunch
so I can eat all the pizza I want.
The Big Bang Theory Season 6, Episode 23