1. The children were listening to a new song at the lesson.
2. Bob was playing a computer game all day long.
3. When were your parents travelling around Europe?
4.Granny and I were making a lot of meals for the party yestarday.
5. Who was wrapping presents in your famaly?
6.The machine was working all night long.
7.The girls were dancing when their mother came.
8. Were you shopping at 11 yestarday?
9.What were the sisters buying when you saw them?