Complete these sentenses with the correct form of the verb in brackets: 1) books ) by authors 2) a special programme ) to teach students how to write stories 3) most books ) online through companies like amazon 5) the website ) to advertise the new titles 6) books are ) on paper

1) Books are writen by authors.
2) A special programme is  used to teach students how to write stories.
3) Most books are bought online through companies like Amazon.
5) The website is designed to advertise the new titles.
6) Books are printed on paper.