■ Preface
■ Table of Contents
■ DET Test Features
■ Study Plan (How to Use the Book)

Practice Problem 1
■ Actual Test 1
■ Actual Test 1 Answers

Practice Problem 2
■ Actual Test 2
■ Actual Test 2 Answers

Practice Problem 3
■ Actual Test 3
■ Actual Test 3 Answers

500 Essential Vocabulary Words
■ Vocabulary memorization notebook from previous exams

[MP3] Access lab.siwonschool.com ▶ Click on the Textbook/MP3 tab ▶ Search for the book ▶ Download MP3

01.
Structure for quick test study

● It is structured to enhance test adaptability and prepare perfectly for the actual exam with the same format as the actual exam screen.
● Provides answers, interpretations, and vocabulary to help you solve problems and quickly review the problems you solved.

02.
The only domestic and international DET mock exam

● Includes a total of 3 sets of difficult questions for high-scoring students
● A workbook for actual test takers who are studying IELTS/TOEFL

03.
Perfectly reflects the latest past questions

● A set of practice problems with the same problem composition, layout, difficulty, type, and subject as the actual exam.
● A mock test set that uses only vocabulary that actually appears on the exam.

04. Provides DET vocabulary from past exams

● Provides a memorization notebook of past exam vocabulary that can be studied over 10 days
● Only carefully selected DET-specific vocabulary that you must know before the test
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★ Learners who need this book

? Aiming for a high score on the Duolingo test
? A student with not much time left until the exam