1.We were sleeping at 2 o'clock yesterday afternoon.
2.Mum came home at 6 pm yesterday.
3.In 2004, 23-year-old Mark Zuckerberg launched Facebook while he was studying at Harvard University.
4.He went down the cellar stairs, opened the door, and walked inside.
5.The lorry was speeding when it crashed into the bus.
6.I watched films the whole day yesterday.
7.The flight to New York took off two hours late.
8.While my mother was driving, my father was reading the map. That's why we got lost!
9.Mick drove us home after the party.
10.When did Thomas Edison invent the light bulb?
11.It was snowing heavily when we left home yesterday morning.
12.Where were you at this time yesterday?
Объяснение: