按要求写单词。
⑴fat (最高级)_______________;⑵much (近义词) _____________
⑶good (最高级) _____________;⑷am (过去式) _______________
⑸is (过去式) _______________;⑹twelve(序数词)_____________
⑺fly (过去式)______________;⑻sit (现在分词) _____________
⑼their (名词性物主代词) _____________;⑽our (主格) ____________