11.slowly
12.more beautifully
13.worse
14.angrily
15.happily
16.the fastest
17.more brightly
18.harder
19.the farthest
20.the most quietly
用括号内词语的正确形式填空.
11.slowly
12.more beautifully
13.worse
14.angrily
15.happily
16.the fastest
17.more brightly
18.harder
19.the farthest
20.the most quietly