That's sad. I know what it feels like but if you really want it, don't stop trying! Many people got in after being rejected 3-4 times. They didn't take me 2 years ago, so I tried my luck with Gulf Air, got some experience (and had a hell of a fun!) and tried again this year. Guess what: I was the only one they hired.
Keep your head up and good luck!
Katja