TOEFL Speaking practice questions in the real exam format and timing.
Using the points and examples from the lecture, summarise the two types of rock weathering.
Phân biệt: mechanical = vỡ vật lý, chemical = thay đổi thành phần. Nêu ví dụ mỗi loại.
Record 90 seconds. You get four criteria, the exact words that slipped, and your own sentence rewritten two levels up.