选什么：I must apologize for___ahead of time.(A)letting you not know(B)not letting you know(C)letting you know not(D)letting not you know

I must apologize for my mistake这 英语apologize for 用法I must apologize for()ahead of time.---that's all right.A.letting you not know B.not letting you know C.letting you know not D.letting not you know 选什么以及为什么? 选什么：I must apologize for___ahead of time.(A)letting you not know(B)not letting you know(C)letting you know not(D)letting not you know I must apologize for my behavior yesterday.怎么回答 I am sorry和Apologize什么差别 BUT I WANT I MUST I DO APOLOGIZE FOR ALL THAT I'VE DONE I must apologize for interrupting you.可以改为“I must apologize for having interrupted you.这里的having interrupted是什么时态,这个用法是怎么回事呢? I must apologize that if loffended you l didn't mean to I must apologize for not letting you know ahead of time.请翻译一下, I must apologize for not letting you know earlier的中文意思是什么? i must apologize for not letting you know earlier为什么这里是 letting而不是let啊? i must apologize for any inconvenience caused这个caused在这里的词性 语法? 英语翻译I must apologize for not letting you know ahead of time. apologize什么意思? apologize什么意思 apologize什么意思 After looking at his watch,he hurried to the station.Or:After having looked at his watch,he hurried to the station.第2句为什么可以用having替换I must apologize.I interrupted you.I must apologize for interrupting you.I must apologize for havi I do sincerely apologize .I后为什么有do ,do有什么作用”