Insert prepositions of time. 13. he was born the fifth of june. 14. we have art and friday. 15. the first lesson is music. 16. i get up 7 o’clock. 17. we have new first of january. 18. end of the year we’ll have no exams. 19. i have studied english four years. 20. we are going to meet half past three. 21. the telephone rang midnight.
13 on
14 on... on
15 on
16 at
17 on
18 at the
19 for
20 at
21 at