Read and type the correct preposition: at, in or on

1. She gets up [ ]
   6.30 a.m.
2. He will arrive [ ]
   the evening.
3. We are going to go to the theatre [ ] the weekend.
4. A year finishes [ ] the 31st of December.
5. Alan goes skiing [ ] the winter.
6. My parents met [ ] 1980.
7. Bye! See you [ ] lunchtime.
8. Pupils have holidays [ ] June, July and August.
9. The film starts late [ ] night.
10. Alex returns [ ] Thursday morning.