​​Остальную теорию предлогов in, on, at (place, место), смотрите выше.
Complete the questions.
Add in, on, at.

1. Do you sometimes watch TV …….. the mornings?
2. Are you usually at home ……. 7 o'clock ……… the evenings?
3. Do you sometimes work …….night?
4. What do you usually do ……. weekends?
5. Do you usually go shopping ……. Saturdays?
6. Do you go skiing …….. the winter?
7. Do you have a holiday ……. December?
8. Is there a holiday in your country …….. 6 , January?