Условие задания:

6 Б.
Write the verb forms into each sentence. Choose the past simple or past continuous.
  
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Рис. \(1\). Smart    
 
1.  We_____swimming every week when we were young. (go)
 
   
 
 
2.  Kate_____the piano, when her sister came into the room. (play)
 
  
 
 
3.  Liz_____the room when I saw her. (clean)
 
   
 
Источники:
Jenny Dooley.Grammarway 2. Express Publishing, Newbury-193p.
Рис. 1. Smart, https://pixabay.com/images/id-98452/ Pixabay License CC0