Learning non-routine situations for an ICAO English test can be fun. But don't neglect routine situations. As a candidate for a cadet programme it's far more important to become familiar with the topics and task which will be relevant to you at your experience level.
Accurate listening comprehension can be gained in Aviation English Asia Ltd classes, and also as self study by listening to Aviation English Radio. This is a free resource to give listening practice to AEA students around the world. It's free of charge, audio is carefully graded and available 24/7.
For more quick tips please visit: http://aviationenglish.com/learning-zone/quick-tips/