Вопрос:

B. Complete using the correct passive form of the verbs in brackets. 6. Radio waves ....... (discover) by Marconi.

Ответ:

Radio waves were discovered by Marconi. Explanation: The correct passive form of 'discover' is 'were discovered'. It's in the simple past passive, because we know who did the action.
Смотреть решения всех заданий с фото

Похожие