Usage Examples Past Simple vs. Past Continuous

• My mother bought a new bag yesterday. -
• I went to Tokyo last month. -
• Anna was sleeping when the burglars broke into her house. -
• When I walked into the room, they were dancing. -
• We were playing tennis when Alex hurt his wrist. -
• What were they doing when you arrived at the party? -
• My best friend graduated from the university in June. -
• The bird was singing in the garden when the cat attacked it. -
• Bob was waiting for me for two hours yesterday. -
• Who was Alessia talking to when you saw her? -
• Susie was watching a film when she heard the noise. -
• What were you doing at eight o'clock last night? -
• Were they smiling when they saw you? -
• Emma called me when I was sitting on the train. -
• Were you sleeping when everything happened? -
• Maddie came back at midnight. -
• When I woke up, it was snowing. -
• I was studying at the library all day yesterday. -
• Paula was running when the storm started. -
• Lisa was studying when Joe called her. -