你是想問什么的呢?為什么這樣填？我填的to finished你好，fail后面是沒有加to 在加done這種用法的，這里fail to do sth.表示“沒有完成”的意思。下面是fail的用法，請仔細看下：fail vi.失敗, 不及格, 忘記 vt.使失望, 舍棄, 辜負, 不及格n.不及格, 不及格者failvi., vt.失?。徊患案馮he teachers failed me on the written composition.教師們評我的筆頭作文不及格。He failed his English examination.他的英語考試不及格。不足；無法做到；（作物）歉收Last year the crops failed.去年農(nóng)作物歉收。"They fail to recognize that our population is increasing faster than the supply of food, available resources and job opportunities."他們沒有認識到我們?nèi)丝诘脑鲩L超過了糧食的供給|資源的開發(fā)和就業(yè)的機會。使失望；辜負His courage failed him in the end."到最后,他泄氣了。"We will never fail to live up to what our parents expect of us.我們決不辜負我們的父母對我們的期望。His friends failed him when he most needed them.當他最需要朋友的時候，他們卻令他失望。衰退；衰弱The wind failed and the sea returned to calmness."風停了,海面上恢復了一片寂靜。"（事業(yè)）倒閉，破產(chǎn)failvt.失敗, (考試)不及格缺少使失望; 對(某人)辜負疏忽, 未履行When I wanted his help he failed me.當我需要他幫助時, 他卻使我失望。The teacher failed me in mathematics.老師給我數(shù)學不及格。Words failed me at the last minute.到最后我說不出話來了。failvi.失敗, 不及格; (判斷)錯誤, 不中目標[與不定式連用]不能, 不(做), 忘記; 疏忽不足, 缺乏(in); (作物)歉收(健康、體力、視力等)衰退; 減弱停止作用; 故障; 停(水), 斷(電)破產(chǎn)、倒閉絕, 全無He failed to come.他未能來。He fails in courage.他不夠勇敢。He never fails to write to his mother every week.他從來沒有忘記每周給母親寫信。His health is failing rapidly.他的健康迅速衰退 。The patient's heart failed.病人的心臟停止了跳動。failn.失誤, 遲誤考試落第者I'll pay you tomorrow without fail.我明天付款給你, 決不遲誤。