Условие задания:

4 Б.
Put the verbs in the brackets into the past perfect or past simple. Choose the correct answer.
  
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1)   I was watching the news when I (start) ____ feeling ill.
    
 
2)   I went to the car park to get my car and I found that somebody (steal) ____ it.
    
 
3)  Everybody (leave) ____ the house by the time I came home.
    
 
4)  It wasn't his first trip to the mountains, he (be) ____ there many times before.
    
 
5)  He started to read the newspaper he (buy) ____ an hour earlier.
    
 
6)  She left the house after she (finish) ____ breakfast.
    
 
7)  When I saw her I knew we (never meet) ____ before.
    
 
8)  When she (hear) ____ the noise she turned to see what it was.
    
 
Источники:
www.englishexercises.org