This worksheet can be helpful and useful for teenagers. It is about different words and letter combinations which are used in the Internet, on-line games, SMS and chats. Teenagers can learn something new about the words they used to hear or read. And it will be good for them to be up-to-date. And it will also make your lesson more interesting. There is also an Internet link, where you and your pupils can find the most fresh expressions of daily on-line English.