Choose your answer: Is "A phonological phenomenon, Havlik's law (which began in Proto-Slavic and took various forms in other Slavic languages), appeared in Old Czech; counting backwards from the end of a clause, every odd-numbered yer was vocalized as a vowel, while the other yers disappeared." a good answer to the question "Why aren't some sound clusters used in modern Czech?"
Pick from:
I. yes
II. no
II.