第1个回答 2008-02-11
1.formal - casual
2.switch on/ switch off
3.marry - divorce
4.work - rest
5.often - seldom
6.careful - careless
7.safety - danger
8.smart - silly
9.fair - unfair
10.with - without
11.cheap - expensive
12.forget - remember
13.push - pull
14.above - below
15.top - bottom
16.put on - take off
17.enjoy - unenjoy
18.konw - unknow
19.busy - free
20.fair - unfair
21.in the past - in the future
22.fail - pass
23.noisy - quiet
24.able - unable
25.possible - impossible
26.polite - impolite
27.win - loose本回答被提问者采纳