Open the brackets and use the Past Continuous Tense or the Past Simple Tense:
1. She ( dance) when I ( come)
2. They ( play chess) when the telephone ( ring)
3. He ( read) the book when the storm ( begin)
4. We ( swim) all the morning
5. Yesterday he ( cook) before his mother ( arrive)

1. She was dancing when I came. 2. They were playing when the telephone rang. 3. He was reading the book when the storm began.4. We were swimming all the morning.5. Yesterday he was cooking before his mother arrived.