Test of English for international communication (TOEIC), overall the test score come out well. There are many issues that study, the average in each year of the examination. However, there are few studies about the score done in different parts of the TOEIC test. Since no study that shows the average scores in each section of the TOEIC test, this study was therefore interested to find such answers, focusing on English grammar. The answers will help to understand exams syntax common in tests and can be prepared from a review, from reading greater. The preparation before the exam TOEIC (Mahasarakham University, 2015), It is another proof that examiner prepared and then cannot make a good score. The sample included 20 personnel of the senior college students of business English from the Faculty of Humanities and social sciences (50%). A tool used in research is TOEIC tests at least five years previous. The average score is used in statistics of the sample in each examination series.