Write the correct preposition.
1. He was born ____ September.
2. I go swimming _____ the weekend.
3. My sister does her homework ____ the afternoon.
4. I don't go out ____ Friday evenings.
5. We went to the concert _____ last week.
6. I woke up ______ midnight.
7. ______ summer he usually stays with his grandparents.
8.My mother was born ____ May 20.
9. We were at home _____ yesterday evening.
10. We get a lot of presents ______ Christmas Day.
Помогите с английским! Я так понимаю, вместо пробелов нужно вставить либо at либо in или on.