Usage Examples Past Simple vs. Past Continuous

• My mother bought a new bag yesterday. -
• I was watching television when my mother came home. -
• I was studying at the library all day yesterday. -
• Was Anna having a shower when an earthquake began? -
• The bird was singing in the garden when the cat attacked it. -
• What were they doing when you arrived at the party? -
• I met Elisa when I was going to work. -
• My best friend graduated from the university in June. -
• I went to Tokyo last month. -
• Why was Lucy smoking at the party? -
• The town was changing quickly. -
• Where was your cousin born? -
• We found the keys we were looking for yesterday. -
• I broke my leg when I was skiing. -
• When I woke up, it was snowing. -
• When I walked into the room, they were dancing. -
• Someone took a picture of Tom while he was sitting on a bench. -
• What were you doing at eight o'clock last night? -
• Were you sleeping when everything happened? -
• I was reading when the doorbell rang. -