ОЧЕНЬ СРОЧНО, ДАМ 100 БАЛЛОВ!!!!! ​

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Ответ:

1. were cycling, started

2. broke, was playing

3. came, was surfing

4. went off, was baking

5. caught, was falling

6. was playing, began

7. was reading, turned on

8. were walking, saw

9. were studying, heard

10. was doing, sat