ETS is a Home & Education software developed by Epangsoft. After our trial and test, the software is proved to be official, secure and free. Here is the official description for ETS:
EditByBrothersoft: ETS contains thousands of questions for you to practice English grammar, vocabulary and pronunciation. This edition was designed for Epangsoft and give FREE of charge for all users. Features included:Grammar TestsElementary Level 200 questionsPre-Intermediate 400 questionsIntermediate Level 400 questionsAdvanced Level 400 questionsQuestions Words – 80 questionsTenses Tests – 110 questionsIdioms Tests – 110 questions TOEFL iBT vocabulary220 questions Learn Animals name by Pictures And Pronunciation includedEasy Level 200 questionsMedium Level 200 questionsHard Level 200 questions。 you can free download ETS 1.0 now.