1. He was (climbing) down the side of a building c) when suddenly the rope (broke).
2. The sun was (shining) brightly f) when I (got up) this morning.
3. The hot water tank (exploded) a) while I was (having) a shower.
4. When we (got) to the concert b) the band was (playing) my favourite song.
5. I did (not know) that my friends e) were (preparing) a surprise party for me.
6. While you were (lying) on the beach g) we were (studying) for our exams!
7. Last year, Simon (gave up) painting d) and (took up) sculpture instead.