Ответ на вопрос: 17. I ______ (listen) to the radio while Mary ______ (cook) dinner. 18. ______ you ______ (buy) this book yesterday? 19. Last Friday Jill ______ (go) home early because she ______ (want) to see a film. 20. When ______ your brother usually ______ (get) home in the evening? 21. Jane always ______ (bring) us a nice present. 22. ______ you ______ (already, read) this book? 23. While Fred ______ (sleep), Judy ______ (watch) TV. 24. Jill ______ (walk) home when she ______ (see) her husband’s car outside the cinema. 25. Look there! Sue and Tim ______ (run) to school. 26. Jack’s father ______ (not work) in London — he ______ (not speak) English. 27. Joe ______ (buy) a car yesterday. 28. Their father often ______ (go) to rock concerts. 29. While you ______ (sleep), your mother ______ (arrive). 30. Where are the children? They ______ (to watch) TV in the room now. Some minutes ago they ______ (to play) a board game.