ДАЮ 50 БАЛЛОВ. Этого учебника нет на просторах интернета:)
Не по теме и без решения БЛОКИРУЮ!

Did William talk to anyone while he was waiting?We were working for the same company when we met.The speaker said something important while you were not listening.Liz lost her glasses as she was running in the park.Were they going home when you saw them?John was playing the guitar when I walked into the room.When I left, the boys were listening to music.