I. Open the brackets. Use the verbs either in the Past Simple or the Past Continuous.
1. Tina (jog) when it (start) to rain.
2. Sue (not / see) me as she (read) when I (come) in.
3. Mr Wilson (watch) TV when he (hear) a knock on the door.
4. I (cook) the dinner while you (sleep).
5. When Martin (enter) the room, the manager (write) a letter.
6. Dorothy (see) a beautiful dress in the shop-window when she (come) home from work.
7. It (be) 9 o’clock when we (leave) the house.
8. Judy (play) computer games when her mother (come) home.
9. Jane (cut) her finger while she (prepare) the salad.
10. Henry (break) his leg while they (play) football.
11. When we (look) out of the window, it (snow) heavily.
12. While Jim (wait) for his girl friend, he (get) very angry.