английский когда

Ответ от Єедерико Маккеда[гуру]
When did your engineer return to Moscow? He returned three days ago.
Who went to Leningrad last week? Comrade Zotov.
Boris read the fourth sentence very well.
Comrade Petrov went to the board, wrote a sentence, read it and returned to his desk.
What exercise did you do at home yesterday? Exercise twenty.
Talk about it with Comrade Zotov, he arrived from Leningrad yesterday.
How did your students speak English last year?
When did your sister come to Moscow? Three years ago.
What did you do in class yesterday? We read texts, did exercises, spoke English with our teacher and translated sentences from Russian to English. When did you get this letter? Yesterday morning.