Преобразуйте в пассивный залог By the year 2012 the research estimated that most couples...

Question

Преобразуйте в пассивный залог
By the year 2012 the research estimated that most couples lived together before marrying.
It …….,,,,,,, that….. .

Answer 1

It was estimated that most couple lived together before marrying by the year 2012