fyi - if you don't want to listen to the lecture again, just x it out and the next problems will come up. And,if you need to listen to the lecture again, click on the icon in the lower right corner of the screen - I think it's the one that looks like a cartoon bubble.
Also, we had trouble with moving the letters to the tiny little blue square, until DS realized that as long as you move them into the exercise box, they will appear in that order in the little blue square. They definitely need an upgrade for the format, which they seem to be doing little by little.
