Choose the correct options

1. We don't go to school
   [at|in|on|]the summer.
2. I must get up early
   [at|in|on|]Saturday.
3. I was at home
   [at|in|on|]last week.
4. I don't want to go shopping
   [at|in|on|] tomorrow.
5. The party starts
   [at|in|on|]6 o'clock
   [at|in|on|]the evening.
6. Don't be late
   [at|in|on|]today.
7. Let's meet
   [at|in|on|]Thursday evening.
8. I want to watch a horror film
   [at|in|on|]tonight.