According to the passage, which of the following statements is true( )
·One careceive a sample TOEFL-Test for $20.
·One careceive a sample TOEFL-Test for meeting the request that he or she should complete it independently.
·One caget a free sample TOEFL-Test if one asks for it.
·One could complete and mark a sample TOEFL-Test paper without any outside help.