If the correct lesson does not show up for you, please delete Browsing History in your browser.
In Internet Explorer, go to the top of the window and click and choose “Temporary Internet Files” Then click on [Delete] at the bottom of the form.
In Firefox, go to the top of the window and click on and choose “Cache.” Then click on [Clear Now] at the bottom of the form.
In Google Chrome, go to the top right corner, under the x, and you should see three lines. Click on these, then click on [History]. Then choose “Clear all browsing data.” Then choose “Empty cache.”
If these instructions are not enough, you can find more at Clear Your Browser Cache.
If the right lesson still doesn’t come up after clearing your browser cache, you may use our Contact Form and tell us exactly what you are doing and what happens.