I have been preparing for my Grade 10 piano exam for about a year and the exam is coming up next month! Sadly, I am convinced that I am nowhere near to be ready. Though my piano teacher reassured me that all my songs are quite good already and that I'd do well if I could only give more confidence to myself.

For some reasons, I just can't play as well as I wish i would when I play in front of some people. :-/
Anyways, I am having some diffifculties in the ear tests. The exam requires some identifications of intervals, chords, playbacks, etc.
Can anyone give me any tips on how to improve my listening skills?

Thank you very much!