By the end of 1931, the technique of dubbing ... sufficiently (perfect).
Выберите один ответ:
a. perfected
b. had been perfected
c. was perfected

Ответы

Ответ дал: Decoration
2

By the end of 1931, the technique of dubbing had been perfected sufficiently.


english09740: Здравствуйте
english09740: Можете мне помочь с английским?
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