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.

This video, the baby PANDA sneezes
and the momma PANDA gets so scared.
The Big Bang Theory Season 9, Episode 16

This video, the baby PANDA sneezes
and the momma PANDA gets so scared.
The Big Bang Theory Season 9, Episode 16