Step 1 - Collect Quizzes

Navigate to each of the quizzes that you want to make up your compilation and click "Collect".  The quizzes you select will appear on this page.  Alongside each Multiple Choice type quiz you will be given a drop-down box from which to select how you want the questions/answers to be presented to the players.  Click "Remove" against any quiz you no longer require.  Click the links at the bottom of the page to either Collect another quiz (you can have up to 10) or to move on to the next stage - Arrange your compilation.