fill in the blanks with( at, on, in )where necessary 1)----- 3 o'clock 2) ----- the weekend 3) ---- 30 th October, 2000 4)---- my sister's birthday 5)---- the morning 6)---- last night 7)---- dinner time 8)---- this winter 9) ---- tomorrow evening 10)---- Sunday evening 11)----- Independence Day 12)---- middy 13)---- every year 14)---- next Saturday 15)---- summer 16)---- August 17)----- next month 18)---- holidays 19)---- 2008 20)----- weekdays

1. at2. at3. on4. on5. in6. - 7. at8. -9. -10. on11. on12. at13. -14. -15. in16. in17. -18. on19. in20. on