Usage Examples Past Simple vs. Past Continuous

• I was standing in the line when I saw Mary. -
• My best friend graduated from the university in June. -
• The town was changing quickly. -
• We found the keys we were looking for yesterday. -
• Why were you crying when I met you? -
• Were they smiling when they saw you? -
• I was watching television when my mother came home. -
• Where was Rob going when he lost his phone? -
• Just as Ted was finishing his homework, he remembered another exercise he had to do. -
• While I was walking to the university, I witnessed an accident. -
• Which shop did Tom go yesterday? -
• Why was Lucy smoking at the party? -
• Who did you see at the train station? -
• When I walked into the room, they were dancing. -
• When I woke up, it was snowing. -
• I was reading when the doorbell rang. -
• We were playing tennis when Alex hurt his wrist. -
• The children were playing in the park when it started to rain. -
• Was Anna having a shower when an earthquake began? -
• You weren't dancing at noon yesterday. -