RECRUITER PRACTICE TEST FOR MARINE CORP?

hello iam having trouble ping the freaking practice test for the marine corps at the recruitment office everytime i go iam never in the mood to take the test and sometimes i get kinda cranky n sometimes i try to skim through it even though i shoudn't but is it hard to p? i always have problems with math...reading comprehension i got it down but da words definitions are also a little thing that gets me out of line....is there anyway that i can talk to the damn recruiter and let him know that iam 100 positive that i can p the asvab but just dont make me take that stupid practice test in order to send me to meps and then give me a shipping date? or is there any tips you guys used to p that practice test ohh yea and everytime i go to take the test the recruiters are always yelling marine corp!!!! n yelling maaaarchh!!! like at each other and cursing while im in the room taking the damn test...really hard to concentrate but yea ok like iam gonna tell them to shut up lol hell nooooooo....lol... what should i do to p the damn test? i have da asvab book but i feel like its not even necessary to study for that practice test on that computer....please help..