It has become obvious that the current UsingEnglish.com membership systems are causing confusion amongst a small proportion of our visitors.
Recently the online quizzes page has shown erratic behaviour when displaying the list of available quizzes. A few days ago I rewrote the display routine and this seems to have cured the problem.
The Printable Version link is now working again. I've finally tracked down the cause of the problem and it's fixed! What's more, the same issue was effecting other areas of the site which are now also working fully.
We have now added random English language polls to the Teachers and the Handouts pages. Random polls will be displayed on the left of the pages when they are opened in the same way that they appear in Testing.