题目内容：

I don't know what to do next,这句话哪里错了,为什么啊
不对，是把what改为how为什么错？

优质解答

I don't know what to do next 这个句子是正确的.
what 作do的逻辑宾语,而how 是副词,不能作do的宾语,所以I don't know how to do next.错误,应该改为：I don't know how to do it next.