II. CHOOSE THE CORRECT PREPOSITION FOR EACH TIME PHRASE.

1.      in / on Summer

2.      between / before the meal

3.      at / in the afternoon

4.      in / on 2006

5.      at / in the weekend

6.      before / between 3p.m and 6p.m

7.      in / on September

8.      at / on 6.50 p.m

9.      at / in Winter

10.  at / in Christmas

11.  at / in night

12.  at / on midnight

13.  in / on September 5th

14.  at / on my birthday

15.  in / on Tuesday morning

16.  in / on Valentine’s day

17.  in / on July, 14th 2007

18.  at / in the middle of the night

19.  after / between the class

20.  at / in 7 o’clock