помогите пж. grammar past simple vs past continuous ​

Ответ:

I was going to work when I saw an accident

The phone rang while David was having a shower

Sarah and Kate were having a drink when two men started to fight

I was sleeping, when I fell off the bed

The phone rang while I was reading a book

I was doing my homework, when my mum arrived

It started to rain while Helen and Michael were waiting for the bus

Harry was sitting on the sofa, when his wife came

While Emma was going home, she had an accident

When I met Robert, he was wearing a black suit