1. Last night I (watch) __________ TV when suddenly I (hear) __________  terrible noise.

2. Why (they leave) __________ the party so quickly?

3. When we (see) __________  Kate she (buy) __________  vegetables.

4. While Jack (tidy) __________ his room, Ann (do) __________  her homework.

5. The pupils visited the Old Town but they (not visit) __________  the Palace of Culture and Science.

6. My family (wait) __________ for me when I (arrive) __________  from long journey.

7. When we (have) __________ dinner my friend (call) __________.

8. When I (come) __________ home the guests (wait) __________.

9. We (hear) __________ a loud bang and (run) __________ into the garage.

10. First I (go) __________ to the cinema and then I (meet) __________ with my friends.

11. While Brian (learn) __________ somebody (ring) __________ the doorbell.

12. Katie (not ride) __________ very fast when she (fall) __________ off the bike.

13. Children (play) __________ in the garden when it (start) __________ to rain.

14. They (play) __________ cards while Jack (sleep) __________

15. They (watch) __________ the match when suddenly the TV (break) __________ down.