✔ 最佳答案
hi我是布布^_^
polite~~impolite
2.true~~untrue
3.correct~~incorrect
4.lucky~~unlucky
5.comfortable~~uncomfortable
6.necesary~~unnecesary
7.selfish~~unselfish
8.healthy~~unhealthy
9.control~~uncontrol
10.satisfy~~unsatisfy
11.agree~~disagree
12.understand~~misunderstand
13.appear~~disappear
14.employed~~unemployed
15.advantage~~disadvantage
16.certain~~uncertain
17.possible~~impossible
18.believable~~unbelievable
19.active~~inactive
.likely~~unlikely