Duolingo English Test practice questions in the real exam format and timing.
Should there be limits on scientific research, even if it could lead to major breakthroughs? Explain your view.
Talk about a scientific or technological development that raises ethical concerns. What are the arguments on both sides?
Do you think governments or scientists should have the final say on how new technology is used? Why?
Chủ đề khó -- trình bày luận điểm rõ ràng: nói rõ lập trường, rồi giải thích lý do.
Record 90 seconds. You get four criteria, the exact words that slipped, and your own sentence rewritten two levels up.