Past Tenses

The students (a)   (not sit) at their desks when the teacher came in the classroom

At seven o'clock yesterday, I (a)   (not watch) a football game with my friends.

Was it snowing when you (a)   (wake up) this morning?

People (a)   (not use) computers one hundred years ago.

Mary met Simon while she (a)   (travel) around Europe.

We (a)   (not buy) any souvenirs while we were in Crete.

They fell asleep while they (a)   (read) a book.

The girls (a)   (dance) while their teacher was playing the piano.

David _____________________ his teeth at that moment.

• brushed

• was brushing

The players ______________ the court three minutes ago.

• entered

• were entering