7. Complete with: for or since. 1 He has been an actor ..... twenty years. 2 She has known him ..... 1996. 3 Brian has lived in Oslo ..... he was a child. 4 They have worked in the film industry ..... fifty years. 5 She's been upset..... last night.

1. He has been an actor for twenty years. *Объяснение:* "For" используется для обозначения периода времени. 2. She has known him since 1996. *Объяснение:* "Since" используется для обозначения начальной точки отсчета времени. 3. Brian has lived in Oslo since he was a child. *Объяснение:* "Since" используется для обозначения начальной точки отсчета времени. 4. They have worked in the film industry for fifty years. *Объяснение:* "For" используется для обозначения периода времени. 5. She's been upset since last night. *Объяснение:* "Since" используется для обозначения начальной точки отсчета времени.