Best skills for expansion sorceress? (helpies?)

yeah... I'm a newb..... I'm only L12.... but I reaaaaaally need to up my skill... What're the best sorceress skills? Can anyone help me? Danke.

frozen orb is like one of the best skills for sorc and then it depends if you want to be lighting or fire or cold, if you want to be lighting get nova and thunderstorm with max lighting mastery and with fire get max fire mastery and meteor or hydra