Complete the sentences using the right form of the given verbs

1. I was sick and skipped a bunch of classes last week. It's hard to keep up with my classmates now because
   [ ] a lot.
2. My dad was lying on the sofa and watching TV. There were lots of dirty cups and plates nearby.
   [ ] in the living room.
3. When I came, everybody was staring at me. They looked angry.
   [ ] for me for two hours.
4. I
   [ ] when somebody rang the doorbell.
5. Before it started to rain,
   [ ] such nice weather for the whole week.
6. I was extremely sad when my parents decided to move to another flat.
   [ ] there for a very long time.
7. We were completely exhausted at the end of the school year.
   [ ] more than 15 exams and 25 projects in total.