First time 660, second time 680, this time 750 (Q50, V41)

First time 660 (Q42, V39), second time 680 (Q43, V40), this time 750 (Q50, V41) :D I am Korean. In Sep and Nov 2006, I took GMAT twice in Korea and got score 660 and 680. I was so depressed because I need a perfect score (≥700) to apply MBA from Korea. In May 2007, I came to China for wor...