Translate the sentences paying attention to the wordone.
1.One can see changes which new technologies have broughtinto our life.
2.One must attend classes on Computer Science.
3.One may exchange information with people online.
4.One can use the World Wide Web to find information.
5.One must save the data in the document.
6.One should be careful what one says.
7.On the radio one can hear music, plays, news.