Cathy (broke/was breaking) her favourite cup while she (washed/was washing) the dishes.

Lisa (had slept / had been sleeping) for only 10 minutes when the telephone woke her up.

When the teacher (entered/was entering) the classroom, the students (didn't work/weren't working) in pairs. They (played/were playing) on their mobile phones.

Students (wrote/were writing) their history exam when the bell (rang/was ringing).

Why (didn't you come/weren't you coming) to my party on Sunday?

What time (did your parents wake / were your parents waking) you up in the morning?

Shakespeare (wrote/was writing) many plays during his lifetime.

Andrew (had travelled / had been travelling) for three months around Asia before he started his studies last year.

Ben couldn’t come to the party yesterday because he (had broken / had been breaking) his leg.

We didn’t know that Melanie and Joe (had got / had been getting) divorced a few months earlier.

Last year, we (visited/were visiting) Barcelona and Paris.

Matt (hadn’t travelled / hadn’t been travelling) by himself before the last holidays.

At two o'clock yesterday, Mike (watched/was watching) his favourite series.