The purpose of the questionnaire is to know better about your opinion about pucharsing the exercises of TEM4/TEM8 or CET4/CET6, so that we can forecast the market of this product. PLEASE COMPLETE THIS QUESTIONNAIRE BY CIRCLING THE APPROPRIATE ANSWER, OR BY WRITING YOUR ANSWER IN THE SPACE PROVIDED.Our product includes exam tests, simulated tests and all kinds of specialized training. If you finish 75% of our exercises and you do not pass the exam, you can plead for the refund. Thanks for your coorperation