Complete the sentences with WAS or WERE.1. The children _______ listening

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