I'm now subscribing to aviationexam.com for that very reason. It allows you to practise all questions for a particular topic. Also lets you take a test and shows you a breakdown of results by topic so you can identify weak areas. Using both ATPLonline and aviaitionexam.com is working well for me at the moment.
Last edited by taxistaxing; 30th Jul 2012 at 12:17.
Reason: spelling