The basic TOEFL word its very difficult to understand...

Hellow every one 8)
I will have toefl test after 1 week and i have problem in the vocabulary section
the type of the questions
give me a complex word and 4 choices for the meaning
i understand all the choices but the basic word its very difficult to understand
i just need your advice and if you know any books , sites , or something
like that , it will help me

TOEFL listening discussions: Why did the young woman sit in the rear seat of the car?

Did you try tests in this forum ?

yes it was easy
but i had exercises in the site of this test and i cant answer it

try test before

don’t anyone know names of books that help me ?!!