2 Six of the questions below have mistakes in them. Find the mistakes and correct them. Example: When you last bought a CD? When did you last buy a CD? 1 Which of these albums you like best? Who ate the last biscuit? 2 3 How many people did they go to the concert? 4 Where you went for your last holiday? 5 What did happen to Diane yesterday? 6 Who you want to speak to? 7 Which platform does the train go from? 8 Who did gave you that great bag?​