Помогите пожалуйста с заданием.заранее спасибо.
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.