old(反义词) they(名词性物主代词) tooth(复数) down(反义词)答案如下:newthemselvesteethupnewth

old(反义词) they(名词性物主代词) tooth(复数) down(反义词)答案如下:newthemselvesteethupnewth
答案如下:
new
themselves
teeth
up
new
themselves
teeth
up
1、young或new 2、themselves
3、(不规则形式啦!)teeth 4、up

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