Răspuns:
1. We were cycling when the rain started.
2. He broke the vase while he was playing ball at home.
3. My mum came in while I was surfing on the net.
4. The electricity went off as I was baking a cake.
5. Sandra was caught when her sister fell down the stairs.
6. I was playing golf when it began to rain.
7. While she was reading a novel, her sister turned on the CD player.
8. They were walking along the beach when they saw the accident.
9. We were studying when we heard a terrible noise.
10. While she was doing the ironing, her husband set the table.
11. We were dancing when he fainted.
12. When he fell down the tree, he broke his leg.
13. I was shocked when I heard the bad news.