Use the appropriate Preposition of Time :
1 I like walking around the town …………… night.
2 Are you going to the cinema ……………Thursday night?
3 I’ve been waiting …………….an hour.
4 Ali works hard ………….. the week, so he likes to relax ………….. week-ends.
5 I’ve been invited to a wedding ……………… 14 February.
6………….. the age of twelve he wrote his first play.
7 We have to leave ……………… five minutes.
8 I’ve been waiting for her …………… an hour.
9 ……………… spring they're always in Spain.
10 The price of coffee is going up……………. April.