

Не говори так!
Don't say that!
Почему ты так устал?
Why are you so tired?
Я так рада тебя видеть!
I'm so glad to see you!
"так" is in the lesson "Adverbs 5" (Level 41), along with 10 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.