1.This site offers high school students: interesting readings with pop-out cues, international pen pal writing with related links, English word game instruction and site links, and international star names with their fan club links.
6.I think underlining becomes unhelpful when there are numerous inline links in paragraphs, in lists of links, and when there are lots of sets of links on a page.
9.A query on hotels in Italy might lead you to select a link about Florence, then two links about Michelangelo and four links to Italian Renaissance art.