14. While Mike _________________ TV Sheila _________________ a book. (watch, read)
15. She _________________ for the bus when I _________________ her yesterday. (wait, see)
16. On Sunday I _________________ for a walk and then I _________________ the museum. (go, visit)
17. He _________________ lunch when the first guests _________________ . (prepare, arrive)
18. She _________________ when she suddenly _________________ a strange noise. (sleep,hear)
19. We _________________ on the lake when a terrible thunderstorm _________________ up. (sail, come)
20. Some minutes later his friend _________________ to take him to the airport. (come)
21. While his friend _________________ the car, John _________________ about his holidays. (drive, talk)
22. John _________________ a shower when the telephone _________________ . (have, ring)
23. When they _________________ at the airport, the plane ______________________ high above their heads. (arrive, already fly)
24. They _________________ to the restaurant and _________________ a cup of coffee. (go, have)
25. While the football teams _________________ up, the fans _________________ their flags. (warm, wave)