Complete the sentences with at, in or on. 1) Cristmas is

Complete the sentences with at, in or on.
1) Cristmas is ..... 25th of December.
2) It's cold..... winter.
3)I always have a nap ...... The afternoon.
4) My birthday is ...... October.
5) She left late ..... night.
6) Sue's party is 4 o'clock ..... Friday.
7) We watch cartoons on TV ...... the evening.
8) It's hot ..... summer.
9) He woke up late ..... the morning.
10) She moved house ...... 1989.
11) We usually don't go out ..... Mondays.
12) It's windy ...... Autumn.
13) Her daughter was born ...... August 2nd.
14) They got married ...... July.