Do you hear a knock（） thedoo介词

Do you hear a knock（） thedoo介词 Did you hear someone___at the door when you___TV last night?A.knock,was watchingB.knock,watching C.knock,were watching D.knock,are watching Do you hear someone knock at the door? 怎么理解?怎么全是现在时?错了吗? what-----(can,do)you hear?I hear a bird. can you hear someone _____(knock) on the door now can you hear me now Knock Knock韩国TARA唱的它叫什么歌名 what do you hear Do you hear me .. Do you hear me How often do you _________your brother?　　A.hear about B.hear of C.hear to D.hear from When you hear a knock on the door,what will you say?用who is it?回答时为何要用it,门外站的是人啊用who are you? Do You Hear What I Hear 歌词 you,noise,a,do,hear连词组句 -----(Look,Listen).it goesChoo.Choo....What---(can,do)you hear?I hear a bird. Do you ____ your father every month?A.hear ofB.hearC.hear fromD.get from What did you hear last night? I seemed someone knock at the door.A hearB.to have heardC.to hearD.having heard what did you hear last night?I seemes____someone knock at the door.A.to hearB.hearC.having heardD.to have heard Did you hear anybody knock at the door?No ,I ____ to my MP3 .A,have listen B,listened C,was listening D,Listen