That may work for exams that require only memorization but it absolutely will not work for IELTS or TOEFL. You must practice with a very high level English speaking teacher; preferable a native English speaker. You need feedback and practice with the times and requirements of the exam. Please let us know if we can help you at World’s English, where we offer preparation courses for both. You are also welcome to check out our FREE IELTS and TOEFL video lessons.