Ответ:
1) Mother was cooking dinner at 3 o’clock yesterday.
2) She finished cooking at 4 o’clock yesterday.
3) At half past four we were having dinner.
4) They translated a difficult text the day before yesterday.
5) I opened the window at six o’clock yesterday.
6) Did you go to the cinema yesterday?
7) I saw Mike last week.
8) When I opened the door, my friends were sitting around the table.
9) When did you begin doing your homework yesterday?
10) We were discussing the latest news the whole day yesterday.
11) When I was reading the newspaper yesterday, I found an interesting article.
12) Did you watch TV yesterday? - Yes, we were watching TV the whole evening yesterday.
Объяснение: