Someone I_____(knocka)at the door just as I____(get)into the bath

Listen:Someone ______(knock) at the door. i think someone is in .let's knock the door 这句话的knock为什么要改成knock at can you hear someone _____(knock) on the door now knock knock knock knock knock knock If you someone,you should say “I’m sorry”.A.knock at B.knock over C.knock into D.knock out的答案是什么 为什么 Knock!Knock!Knock!歌词 She was cocking when she heard someone ( )knock at the door I heard someone _____(knock /knocking) at the door just now .横线上应填什么?为什么 When I was doing my homework ,I heard someone (knock) at the door. i __(read) a history book when someone __(knock) at the door It's polite to say sorry when you knock into someone carelessly是什么意思 it's good _(manner)to say sorrywhen you knock into someone. someone（ ）（knock）at the door．Go and see who it is