Past simple vs Past continuous

my Ia Isitting Irang II Iin Iwhen Iwas Imeeting Icellhphone. I

when Ta Twere TThey Tthe Train Tpicnic Tstarted Thaving. T T

brother Imovie Ihorror Iscared Imy Ime Iwatching Iwhen Ia Iwas II. I

cat II Ithe Iappeared Iwhen Ia Idog Iwalking Iwas. I

was Icomputer Iwent Iout Ithe Iwhen II Ithe Ilights Iusing. I I

My Mwhen Maccident Mcar Mthe Mhappened Mdad Mdriving Mthe Mwas. M M

strange Imy Ia II Iheard Idoing Iwas Iwhen Inoise II Ihomework. I

was WI Wthe Wworking Wroom Wwalked, W Winto Weveryone WWhen. W W