1 In the early 1960s people proposed the idea of computer networks. In the early 1960s the idea of computer networks was proposed

Решение:

В данном задании необходимо переформулировать предложение, используя пассивный залог.

Исходное предложение: 'In the early 1960s people proposed the idea of computer networks.'

Переформулированное предложение в пассивном залоге: 'In the early 1960s the idea of computer networks was proposed.'

Ответ: was proposed