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1. We were waiting for Jane, when suddenly Louis came around the corner.
2. I was cycling through the park, when I heard a strange noise.
3. He passed her a message when the teacher was not looking .
4. I fell asleep while I was watching TV last night.
5. When Mike and Jane were painting the walls, their dog knocked over the paint pot.
6. Tom broke his leg when he was playing frisbee.
7. The phone rang when I was cooking in the kitchen.
8. I was jogging in the park, when two squirrels crossed my way.
9. Robert fell off the ladder when he was picking cherries.
10. Archimedes discovered the theory of buoyancy while he was taking a bath.

1. Were waiting/ came

2. Was cycling/ heard

3. Passed/ was not looki g

4.fell/ was watching

5.were painting/ knocked

6.was broken/ was playing

7.rang / was cooking

8.was jogging/ crossed

9.fell/ was picked

10.discovered/ was taking