Use the where necessary. 1) c is third letter of the english alphabet. 2)the picture is on page three. 3)the writer was seventh child in the big family. 4)i take bus forty to go to school. 5)the browns are staying in room one of our hotel. 6)the english room is on third floor og the school. second story in the book is more interesting than first. 8)the new text is in step two.