19.I didn't hear the phone .I ______asleep .19.I didn't hear the phone .I ______asleep .A.must be B.must have been C.should be D.should have been 选B为什么为什么不选A

19.I didn't hear the phone .I ______asleep .19.I didn't hear the phone .I ______asleep .A.must be B.must have been C.should be D.should have been 选B为什么为什么不选A I didn't hear from him I didn't answer the phone( )I didn't hear it ringA if B unless C although D because 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 1.I didn’t hear the phone.I ___ asleep.A.must beB.must have been i didn't hear the phone.i asleep 为什么不是should have been? sorry, i didn't hear you clearly.i -----(think)about the exam I didn't hear anyone shouting because I __(听) the Walkman then I sen you He didn't sing the song we want to hear I knocked at the door (l ) of times ,but he didn't hear it. By the way,I didn't hear your name.What is it. I didn't hear you .Please repeat the sentence again哪里错了? I didn’t hear you.Please repeat the sentence again.改错 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