Posts appeared on the company's social media accounts on Monday, declaring "Legends never die" and "Duo is back." ...

If you already know some Chinese, there's a placement test that will allow you ... any lesson as many times as you'd like. Duolingo will also provide practice exercises tailored to your weaknesses.

You must complete lessons to move forward and can also take a knowledge test to see if you’ve ... stress-free and casual language practice, Duolingo is the ideal option. The lessons within ...