Duolingo English Test practice questions in the real exam format and timing.
Modern smartphones have completely changed the way people communicate, shop for goods, and access important information every single day.
Many large companies now use artificial intelligence to answer common customer questions quickly and accurately at all hours of the day.
The latest software update successfully fixed several annoying bugs that had been causing the popular mobile app to crash very frequently.
Electric cars are steadily becoming more affordable for ordinary buyers as battery technology continues to improve significantly year by year.
Some leading health experts warn that spending too much time in front of screens can seriously harm young children's sleep and social skills.
Cụm từ công nghệ: artificial intelligence đọc liền. Không ngắt giữa hai từ.
Record 90 seconds. You get four criteria, the exact words that slipped, and your own sentence rewritten two levels up.