Write a word from the box in each gap. are • is • isn't • was • wasn't • weren't The mobile phone has been around since the 1970s, but the idea behind the text message (1) developed until the 1980s. Then, years later, the first text message (2) sent in the UK in 1992. When people started to use mobile phones, text messages (3) used very often. Now, millions of text messages (4) sent every day. Information (5) written by using the numbers on the phone to make words. People like text messages because they're cheap. So, a lot of money (6). - spent to send them.