Choose in or on to complete the sentences.
1 The author was born in / on April, 1999.
2 There is a picture of a dinosaur in / on the
front cover.
3 Almaty is the biggest city in / on
Kazakhstan.
4 Do you go to school in / on Fridays?
5 Did you see his photo in / on the magazine
article?
6 The best part of the story is in / on chapter
six.
7 Harry Potter is one of the most successful
series in / on the world.
