The cake has gone (badly).You can't eat it.中The cake has gone (badly).You can't eat it.中间是不是填badly

The cake has gone (badly).You can't eat it.中The cake has gone (badly).You can't eat it.中间是不是填badly
The cake has gone (badly).You can't eat it.中
The cake has gone (badly).You can't eat it.中间是不是填badly

The cake has gone (badly).You can't eat it.中The cake has gone (badly).You can't eat it.中间是不是填badly
当然要填bad
go bad是变质的意思
其实这里go 相当于系动词 后面要加形容词

填bad，go后接状态，就是形容词，badly是副词，bad是形容词

不是，是BAD