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.

Leonard, would you WRAP it up?
The Big Bang Theory Season 7, Episode 17

You want me to WRAP it?
The Big Bang Theory Season 5, Episode 5

After you WRAP the body
in reflective tape,
The Big Bang Theory Season 9, Episode 19

where I managed
to WRAP them around something very special
Game of Thrones Season 3, Episode 4

l can't seem to WRAP my mind
around this one little thing,
Breaking Bad Season 4, Episode 7