Question

Write at/on/in
13. ....Friday morning
14. ....Satyrday night
15. ... night
16. ....the end of the day
17. ....the weekend
18. ....winter

Answer 1

15. at
16. in
17. in
18. in

Answer 2

13. On
14. On
15. At
16. At
17. On
18. In