Fill "was" or "were"

D
3
Fill "was" or "were"
1. It hot last summer.
two cakes in the fridge yesterday.
at the library last Wednesday.
at work yesterday.
a cat at the window an hour ago.
_ at school yesterday.
2. There
3. The boys
4. Mum
5. There
6. My friends
7. James
8. There
9. It
10.
He
11.
Ken's parents
at my party last night.
a lot of people at the park yesterday.
foggy yesterday.
a basketball player.
in Paris last week.