Usage Examples Past Simple vs. Past Continuous

• What were you doing at eight o'clock last night? -
• You weren't dancing at noon yesterday. -
• When I walked into the room, they were dancing. -
• I was standing in the line when I saw Mary. -
• My best friend graduated from the university in June. -
• My mother was cooking for five hours on Sunday. -
• I met Elisa when I was going to work. -
• I was studying at the library all day yesterday. -
• Was Anna having a shower when an earthquake began? -
• My granddad went to see a doctor on Friday. -
• Emma called me when I was sitting on the train. -
• The town was changing quickly. -
• I was watching television when my mother came home. -
• I went to Tokyo last month. -
• Which shop did Tom go yesterday? -
• Someone took a picture of Tom while he was sitting on a bench. -
• Were you sleeping when everything happened? -
• Susie was watching a film when she heard the noise. -
• Who was Alessia talking to when you saw her? -
• The bird was singing in the garden when the cat attacked it. -