I'm so glad that i have it for me to study for ...
Exploring geology book has helped me a lot in my Geology class. I'm so glad that i have it for me to study for quizzes and exams!
Simply, it is the best GMAT Sentence Correction among those of the Princeton Review, Kaplan, Arco, Nova, and Veritas Prep. Just buy this SC and the GMAT official guide, then you are set.