第2个回答 2013-01-03
1.tall taller
2.strong stronger
3.long longer
4.hot hotter
5.big bigger
6.thin thinner
7.brave braver
8.nice nicer
9.large larger
10.pretty prettier
11.untidy untidier
12.dirty dirtier
13.silly sillier
14.high higher
15.little less
16.good better
17.dangerous more dangerous
18.bad worse
19.old older
20.careful more careful