`text[Answer]`:

`2.` hot - hotter - the hottest

`3.` sweet - sweeter - the sweetest

`4.` few - fewer - the fewest

`5.` little - less - the least

`6.` comfortable - more comfortable - the most comfortable

`7.` important - more important - the most important

`8.` expensive - more expensive - the most expensive

`9.` good - better - the best

`10.` far - farther/further - the farthest

`11.` bad - worse - the worst

`12.` thin - thinner - the thinnest

`13.` busy - busier - the busiest

`14.` interesting - more interesting - the most interesting

`15.` short - shorter - the shortest

`16.` high - higher - the highest

`17.` much - more - the most

`18.` funny - funnier - the funniest

`19.` fast - faster - the fastest

`20.` boring - more boring - the most boring

`text[#H]`.