Usage Examples Past Simple vs. Past Continuous

• When I woke up, it was snowing. -
• My mother bought a new bag yesterday. -
• The town was changing quickly. -
• Bob was waiting for me for two hours yesterday. -
• I broke my leg when I was skiing. -
• Were they studying at this time yesterday? -
• We were playing tennis when Alex hurt his wrist. -
• I went to Tokyo last month. -
• I was standing in the line when I saw Mary. -
• Was your grandmother working when she met your grandfather? -
• Were you sleeping when everything happened? -
• I was reading when the doorbell rang. -
• My granddad went to see a doctor on Friday. -
• My mother was cooking for five hours on Sunday. -
• You weren't dancing at noon yesterday. -
• Which song were you singing when I came in? -
• Maddie came back at midnight. -
• Emma called me when I was sitting on the train. -
• We found the keys we were looking for yesterday. -
• Which shop did Tom go yesterday? -