TOEFL Speaking practice questions in the real exam format and timing.
Using the points and examples from the lecture, summarise the two reasons biodiversity matters.
Khi nói về giá trị, phân biệt giá trị TRỰC TIẾP (thuốc, thực phẩm) và GIÁN TIẾP (thụ phấn, lọc nước).
Record 90 seconds. You get four criteria, the exact words that slipped, and your own sentence rewritten two levels up.