Rip My Promos..

So I recently got into my promos to get into Silver. My first game I had an AFK ADC Twisted Fate. My second game I had a Diana who didn't know how to play top at all, and didn't take teleport. Why play ranked when you don't know how to play all the roles? Diana literally whined all game about not getting the roles he/she wanted. Please... ;-; Hopefully, my next 3 games will be wins.