Never Spell «никогда» as Two Words: the Total Dictation Online Course on Stepik
Course in Russian. The Total Dictation online course on Russian spelling and punctuation: 28 topics in four modules (vowels, consonants, joined, separate and hyphenated spelling, punctuation), with one difficult rule explained in each lesson. 30 lessons; free and open at any time, a Stepik certificate is available on completion.
Courses & lectures Free Online
