While I______(work) in the garden, my wife______(cook) dinner.
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Sarah______(demonstrate) a dance step when she______(trip) on a rug and fell.
While we______(watch) the play, an usher______(come) over to us to check our tickets.
When I______(walk) in the rain, I suddenly______(see) a beautiful rainbow.
I______(walk) along the street when suddenly I______(hear) footsteps behind me. Somebody (follow) me. I was frightened and I started to run.