What ____ you ____(do) at this time yesterday?I was playing the poano.Her mum ____(cook)

What ____ you ____(do) at this time yesterday?I was playing the poano.Her mum ____(cook)
What ____ you ____(do) at this time yesterday?I was playing the poano.
Her mum ____(cook) when she got home last Sunday.
When I left this morning,it ____(rain).
Jim ____(learn) many Chinese songs since he came to China.
Did you notice him come in?No,I ____(watch) a football game.
Did you see them ____(work) in the field just now?