1) I was heating my dinner when they phoned and invited me to the restaurant.
2) The decoration was being arranged last week. We gladly thank the company that made\did it.
3) I was playing guitar and singing during the concert. Usually I just play.
4) She was sleeping as they came back home. She always drops off quickly.
5) I’ll be doing some housework in the day time, so let’s get in touch later.
6) She will still be reading her magazines in an hour. She has a sort of obsession with the fashion industry.
7) Will you be playing guitar instead of George? I heard through word of mouth that he left the band.
8) I will be cooking next week as my mom is going to drive to her sister. It’s 80 kilometers south from\of where we live.
9) The post office will be working from 9am to only 4pm tomorrow. I think I have to go there now.
10) I’ll be teaching and learning on this site. I like their classes unlike others.