B1used to say that something has ended: Well, that's it, we've finished - we can go home now.That's it! I'm not putting up with any more of her rudeness.B2used to say that something is correct: You switch the computer on at the back. That's it.
With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a