Could not help but have to

Could not help but have to could not help but those who could not help but shed tears 不得不 到底是could not but还是 could not help but can not help but后面接什么When I told him the joke. He _____ a.could not help to laughing b.could not help to laughc.could not help but laughing d.could not help but laugh If it were not that...But that he came to help me ,I could not have succeeded .是不是可以改写成:If it were not that he came to help me ,I could not have succeeded .或者改成If it were not for the fact that he came to help me ,I could not h I could not help but laugh.句子中but是什么词性?什么用法? When Jane fell off the bike,the other children ___.A.were not able to help laughterB.could not help but laughingC.could not help laughingD.could not help to laugh I ___ tell her the truth.A.cannot help B.cannot but C.may not help D.could but I could not help but examined my heart before her 翻译 英语 english (10 16:49:47)i could not help but laugh和i could not help laughing有什么区别? no one could help you but you 选择题;They __to help but could not get here in time.A.had wantedB,have wanted C,was wantingD,want 选择题;They __to help but could not get here in time.A.had wantedB,have wanted C,was wantingD,want My life I could not help but day by day, to destroy me I destroy days 是什么意思 i could not but---that his wife was worried.a.notice b.to notice c.noticing d.help noticing But that he came to help me ,I____ .a) could not have succeeded b)did not succeedc) could not succeed d)can't but succeed请问此题考什么语法点呢?另外我还想问:But that he came to help me ,I could not have succeeded .是不是可以改 But ,I could not find her/him . But for their help,we ( ) the program in timeA:had not finished B:could not have finished 括号中填哪一个,