Choose the correct preposition for each time phrase

II. CHOOSE THE CORRECT PREPOSITION FOR EACH TIME PHRASE.
1.     at / in night
2.     at / on midnight
3.     in / on September 5th
4.     at / on my birthday
5.     in / on Tuesday morning
6.     in / on Valentine’s day
7.     in / on July, 14th 2007
8.     at / in the middle of the night
9.     after / between the class
10.  at / in 7 o’clock