Open Question: help in passing my property and casualty insurance exam?

Ive taken the exam a couple of times already ... and i always end up missing it by no more than 6 questions?? whats the problem .. i do study well ... i just get nervous .. i need to pass the exam for my current employer... any suggestions... i live in TX.. and its General Lines.... I have a book, a cd for the computer with mock questions.. and i recently ordered some flash cards online ???