按要求写出下列单词的相应形式
1.tooth(复数)___________ 2.Canada(形容词)___________
3.sit(现在分词)___________ 4.fall(过去式)___________
5.free(反义词)___________ 6.Dec.(完全形式)___________
7.will not (缩写形式)___________ 8.have(第三人称单数)___________
9.they(宾格)___________ 10.funny（比较级）___________
11.see(同音词)___________ 12.we(形容词性物主代词)___________
13.children(单数)___________ 14.came(原形)___________
15.different(名词)___________
【答案】1.teeth 2.Canadian 3.sitting 4.fell 5.busy 6.December 7.won’t 8.has 9.them 10.funnier 11.sea 12. our 13.child 14.come 15.difference
【解析】