I forget to put the milk in the fridge it must have gone A.dirty B.badly C.delicious D.bad

问题描述:

I forget to put the milk in the fridge it must have gone A.dirty B.badly C.delicious D.bad
为什么是bad,不是badly

选D.这里的go起联系动词的作用,相当于be动词的用法,后面加形容词.排除B项;从句意来说牛奶放冰箱里就是为了不变质,变坏.AC不合常理