L. Complete with at, in, on.
1. at night
2. at 17.30
3. in May
4. in summer
5. in the evening
6. on Tuesday
7. on 8th June
8. at the weekend
9. in 1996
10. in the 15th century
11. in the morning
12. at half past two
13. at the moment
14. at a quarter to two
