E8-U12-

How fast did you drive/ were you driving when the accident happened/ was happening?

Sam took/ was taking a photograph of me while I didn't look/ wasn't looking

I walked/ was walking along the street when I suddenly felt/ was feeling something hit me in the back. I didn't know/ wasn't knowing what it was

When I saw/ was seeing them, they tried/ were trying to find a new house near their work.

The light went out/ was going out while we had/ were having dinner. But it came/ was coming on again after about ten minutes.

Last night I dropped/ was dropping a plate when I did/ was doing the washing up. Fortunately, it didn't break/ wasn't breaking

" What did you do/ were you doing this time yesterday?" - " I worked/ was working on the computer"

Anna and Susan made/ were making dinner when Martin arrived/ was arriving home

It suddenly began/ was beginning to rain while Laura sat/ was sitting in the garden

The doorbell rang/ was ringing while Tom watched/ was watching television.