I didn't hear my alarm clock_____.didn't后面用动词原形,是针对hear的吧.那为什么不能填went off?

I didn't hear from him Sorry,I didn't hear you.I__(think)about my laet English teacher. I didn't hear my alarm clock_____.didn't后面用动词原形,是针对hear的吧.那为什么不能填went off? I didn't mean you to hear it为什么这要用didn't而不是I don't I didn't get that means .A.I didn't take that B.I didn't hear what you said I didn’t hear _____ you said just now. I didn’t hear _____ you said just now. I didn't hear him_(talk)to others loudly Sorry I didn't hear you c____ please saySorry I didn't hear you c____ please say it again I didn't my home work.(改错) My uncle said that he would telephone but I ----from him so far A didn't hear B hadn't heard C haven't heard D won't hear 为什么选C 不选B I didn't answer the phone( )I didn't hear it ringA if B unless C although D because 改英语句子,同义句 I didn't hear from my mother.是 “同义句”!还有 He replied to the engineer. In the morning ,I didn't hear my alarm clock ____ .空里应该填going off还是go off?为什么? you didn`t hear my knocking at the door; you______ soundly when i came in答案是must be sleeping 是否应是must have been sleeping Long time I didn't hear from you.改一些句子Long time I didn't hear from you.Although my campus life is busy,I had a happy time when I was in my dormitory.修改意见:注意时态!Time goes by,I have been lost touch with you about two mouths whe 翻译解答( ) broke the window last night.Did ( ) see or hear ( )?I didn't hear or see ( ).I heard a ( ) broke the window last night.Did ( ) see or hear ( )?I didn't hear or see ( ).I 英语 I didn,t hear what he was saying 与 I didn,t hear what he said两个地方怎么来区别的呀?