how didn‘t you notice还是How come you didn't notice我想表达“你怎么没注意到”

how didn‘t you notice还是How come you didn't notice我想表达“你怎么没注意到” How did you not notice还是how didn‘t you notice?为什么? I`m sorry i didn`t tell you how you _____do it.can还是could I know you love me,but I don't know how to face you,didn't know should accept you. I didn't watch the soccer game.How about you,Me I didn't know how import you are until left me. the old man didn't know how -----[chat]on the net .could you help him? _______tell me about this before? Otherwise I could have helped you?I was able to manage myself.thanks anywayA How come didn`t you B How come you didn`tC How didn`t you come toD how you didn`t come to 英语翻译A：How come you didn't give birth in water?为什麽你不在水里生呢?B：Why didn't you give birth in water? the teacher still didn't know ___A:how you work hard at EnglishB:how did you study English wellC:how you improved your English I love you.but didn't have the courage to tell you ,how I do,forget you is very difficult. Why Didn'T You 歌词 didnt you的意思 -Tom didn’t go to school?A. Do you know how B. Why do you know C. How you know why D. Do you know why Forgive me ,I don't want this…… Didn't know how to face you 偶然看见, The reason ( ) you didn't pass the examination is ( )you haven't work hard.A:how;because B:why;because Cwhy;that D:how;that Hey,I_______to meet you here.How long have you been there?A.don't expectB.didn't expectC.haven't expectD.wouldn't expect 44.—Why________ you stop him doing that —I ________ my machine ,how could I A .didn’t ; operated B .didn’t ; was operating C .didn’t ; had operated D .don’t ; will operate