Fill in the gaps

Correct the mistakes where necessary. If there's no mistake, press Enter (↲).

1. [ ] your report last week?
2. When I
   [ ] home, I realised that I
   [ ] my smartphone at school.
3. What
   [ ] when I called you the other day? There were some strange sounds.
4. Michael was exhausted. He
   [ ] for several hours.
5. I wasn't hungry because I
   [ ] lunch.
6. Unfortunately, I
   [ ] Katty yesterday. By the time I arrived, she
   [ ].