Preview TOEFL iBT prep
Build the academic English skills TOEFL iBT measures, with AI lessons and timed mock tests.
Sample lesson
Main Ideas in Academic Passages
Recognising the central point of university-style passages.
Recognising the central point of university-style passages. This lesson is at the beginner level — by the end, you'll be able to recognise this question type, apply a reliable method, and avoid the traps that cost marks.
TOEFL academic passages are built around one controlling idea per paragraph, usually stated in the first or second sentence, with everything after it serving as support, example, or contrast.
Read-only preview. Quizzes and progress tracking start in the full course.
What a mock looks like
TOEFL iBT Full Mock
90 minutes total, with sections timed individually.
- Reading30 min
- Listening29 min
- Speaking8 min
- Writing23 min
Complete the Words — Paragraph 1. Some words in the paragraph are missing letters. Many cities are turning to green roofs to cool their buildings. A green roof is cov(1)___ with plants that absorb sunl(2)___ and release water vapour. Studies sh(3)___ that such roofs can lower the temp(4)___ inside a building by several degrees. They also red(5)___ the amount of rainwater that runs into dra(6)___ during storms. However, green roofs are more exp(7)___ to install than ordinary roofs, and they need reg(8)___ care. For this rea(9)___, many cities now offer grants to help building owners me(10)___ the cost. Blank (1): "cov___" — which word correctly completes it?
- cover
- covered
- covering
- coverage