Don’t waste time with ineffective practice and inexperienced teachers.

Courses, practice questions, and AI feedback. All in one powerful package.

Meet Your Instructor

Josh MacPherson is the head instructor, presenter, and curriculum developer at TST Prep. His TST Prep YouTube channel has amassed over 500,000 subscribers and his Emergency Course for the TOEFL® on Udemy has enrolled over 77,000 students from over 150 countries and, at the time of writing, has earned a 4.6/5 star rating.
  • What to Expect
  • How to Set Up Your Study Schedule
  • The Duolingo English Test Explained in 5 Minutes
  • How to Take the DET Practice Test
  • Read and Complete Questions – Guide
  • Read and Complete Questions – Advanced Strategies
  • Read and Complete Questions – Subject Juggling
  • Fill in the Blanks Question Guide
  • Fill in the Blanks – The Best Way to Practice
  • Read and Select Questions – Guide
  • Read and Select Questions – How to improve your vocabulary
  • Read and Select Questions – How to make fake words
  • Listen and Type Question Guide
  • Eight Mistakes to Avoid for Listen and Type Questions
  • Listen and Type Questions: How to Improve Your Listening
  • Read Aloud Question Guide
  • Read Aloud Questions: How to Speak Clearly
  • Write About the Photo Question Guide
  • Write About the Photo Questions: How to Score Higher
  • Write About the Photo Questions: How to Practice at Home
  • Interactive Writing Question Guide
  • Interactive Writing Question: Introduction
  • Interactive Writing Question: The Body
  • Interactive Writing Question: The Conclusion
  • Interactive Writing Question: Part Two
  • Interactive Writing Question: How to Score Higher
  • Interactive Writing Question, How to Practice at Home
  • Speak About the Photo Question Guide
  • Avoid these Eight Mistakes for Speak About the Photo Questions
  • Speak About the Photo: Secret Words and Phrases to Improve Your Score
  • Speak About the Photo: Verb Tenses and Inferences You Need to Know
  • Speak About the Photo: How to Practice at Home
  • Read, Then Speak Question Guide
  • Read, Then Speak Questions: How to Expand Your Examples
  • Read, Then Speak: How to Practice at Home
  • Listen, Then Speak Question Guide
  • Listen, Then Speak: How to Practice at Home
  • How to Improve Production Scores with AI (Speaking)
  • Speaking Sample Question Guide
  • Writing Sample Question Guide
  • How to Improve Literacy Scores with AI (Writing)
  • Introduction to the Interactive Reading Section
  • How to Answer Complete the Sentence Questions in the Interactive Reading
  • How to Answer Complete the Passage Questions in the Interactive Reading
  • How to Answer Highlight the Answer Questions in the Interactive Reading
  • How to Answer Identify the Idea Questions in the Interactive Reading
  • How to Answer Title the Passage Questions in the Interactive Reading
  • How to Improve Comprehension Scores with AI (Reading)
  • Introduction to the Interactive Listening Section: Listen and Respond Strategies
  • Introduction to the Interactive Listening Section: Advanced Summarize the Conversation Strategies
  • How to Improve Your Conversation Score with AI (Listening)
  • You Finished the Course. What Now?

DET
Emergency

for students in a hurry
 
Original price was: $49.00.Current price is: $24.50. for 1 month
  • What you get:
  • 4000+ practice questions
  • All question types
  • Premium Course for DET
  • Study plans
  • AI Writing Feedback
  • AI Speaking Feedback
  • 1-month access
Sale

DET
Score Builder

for students to improve their score

 
Original price was: $198.00.Current price is: $99.00. for 6 months
  • What you get:
  • 4000+ practice questions
  • All question types
  • Premium Course for DET
  • Study plans
  • AI Writing Feedback
  • AI Speaking Feedback
  • 6-month access
Sale