Very Weak In Verbal!! What to do?

Guys..... I just took my first GMAT exam last saturday and my results were as follows: Q: 43 - V: 23 - AWA: 3.0 - Overall: 550 The problem is that most business schools to which I apply needs a minimum GMAT score of 620. It's obvious that I'm weak in Verbal especially critical reasoning. I feel dum...