1. Since the plane was invented, it _____________________________ the world in various ways.
2. When we arrived home, the children __________________________________ in the backyard.
3. After sending an e-mail to my cousin, I turned off my tablet and __________________________ to bed.
4. I _______________________________ much attention to the teacher when she suddenly called me.
5. Andy _____________________________________ from class last week because he went to London.
6. This is the first time I ___________________________________ Laura enjoy herself so much.
7. I ___________________________________ across Kristy when I was checking in at the airport.
8. This microwave is used for heating foods and ____________________________________.