1.A: What were you doing when you heard that noise?
B: I was trying to change a light bulb that had burnt out.
2.After I found the wallet full of money, I went immediately to the police and turned it in.
3.The doctor said that Brian was too weak to go to work and that he needed to stay at home for a couple of days.
4.My best friend arrived at my house a little before 9:00 pm, but I was't there. I was studying at the library for my final examination in Italian.
5.John is in the living room working on his computer. At this time yesterday, he also was working on his computer. That's all he ever does!
6.I was calling you last night after dinner, but you weren't there. Where were you?
B: I was working out at the gym.
7.When I walked into the busy office, the secretaries were talking on the phone with customers, a clerk was working busily at his desk, and two managers were discussing quietly methods to improve customer service.
8.I was watching a thriller on TV when the electricity went out. Now I am never going to find out how the film ends.
9.Samantha was in the room when Bob told me what happened, but she didn't hear anything because she was listening to music.
10.It's strange that you called because I just thought about you.
