Have you ever wondered where OK came from? Watch the youTube video "Why do we say OK" to find out. And while you're watching it, try to answer very easy questions from the worksheet, OK? The worksheet contains the key with answers so you can just send it to your students without extra work of looking for the answers.
Hey, how do I download it?
This is a warmer, and there is nothing to download. It's just an idea for your lesson, not a worksheet.