Complete the sentences with at/in/on.
1. Do you watch TV
lunchtime?
2. Can I go to Heidi's house
3. We don't go to school
summer.
4. What would you like to do the weekend?
5. My birthday is
23rd October.
winter.
6. I like playing hockey
7. Let's meet 7 o'clock.
8. Is the supermarket open
9. I'd like to travel to the moon
10. I go to piano lessons
Saturday?
Sundays?
2030.
Friday night.