PLZ HELP i have no idea what im doing?

i have to pick some monologues and i have nothing really i feel like i have no emotion with it...im really good with like dramatic ones but i need to find others! If anyone has any monologue i can do it will be great. I know im doing gillian on her 37th birthday and sunbonnet sue...i need something else but really i want something more modern something i could really relate to that is a problem most people have. I mean how do i even know a part to pick out a play i mean i have no clue to even do this. I have to go to an audition and im so scared because i have no idea what to do. Can someone give me a run down of it please! The monologues i am doin is the ones he suggested to me to do but i want something else just in case he asked but please someone!!! Also does anyone have an techniques to get ready for the audition and so great emotion to where he will believe i am amazing....ANY ADVISE WILL WORK PLZ!!!