宾语从句引导词what和that的区别

that 在从句中不作成分,没有意思.一般可以省略.e.g i don't know (that) you pass the exam.what 在从句中可以作主语,宾语,或者表语.翻译为“什么”或者“所...的”e.g i don't know what i should say.在这个例句中...