The old man died last night sudden.为什么得用suddenly而不是sudden

The old man died last night sudden.为什么得用suddenly而不是sudden the old man died ___cold___a cold night. (sudden) sound sudden要改成suddenly吗 The old man died last year(改为现在完成时) He____ ____ All of the sudden suddenly是sudden的什么形式 第4题用suddenly还是sudden?why? 这个题目用suddenly还是sudden. _____,a monster appeared .(Sudden/Suddenly) I was so nervous and suddenly … 为什么这里的 sudden用副词啊? Some one made a sudden noise last night.(改为否定句) 1.The loud noise a____the old man last night .