someone knocked( )the door while i( )my houseworka.at,were doingb.at,was doingc.on,was doingd.on,were doing

Knocked I () my brother when someone knocked at the doorI () (telephone)my brother when someone knocked at the door someone knocked me on the head可以这么说吗：someone knocked my headsomeone knocked me on the head可以这么说吗：someone knocked my head请问这句话有木有问题? I heard someone ____(knocking/knocked)at the door just now.那用knocked也满足hear加从句呀？ 连成句子I,having,when,was,someone,breakfast,at,knocked,door,the We were having lunch,when someone knocked the door (问号处填介词或副词) I was cleaning my bedroom while someone knocked on the door改错 someone threw a stone( )the speaker.it hit him( )the head and knocked his hat( ) Someone knocked at the door () I ()()lunch.(当我吃午饭时) we___(listen) to the radio when someone knocked at the door As we were listening to zhe radio,someone knocked at the door. We were cleaning the room when someone knocked at the door.这句话的意思是什么? 改错she knocked on the door,then she entered into th house 英语Someone knocked at the door when l (was watching) TVSomeone knocked at the door when l (was watching) TV怎么不是watched 填副词或介词He did not know how to fight,but he knocked the boxer ----------.This flowerpot is broke.who knocked it -------.I knocked------early yesterday and went to a football match.Listen!Someone is koncking------the window. Someone ____at the door while he____TV last night.A.was doing,was watching B.knocked,watched C.was I ( ) go out when someone knocked at the door.A.was to B.was going to C.was about to What where you doing when someone Knocked at the door?I ____ ____ ____ ____ ____(接电话)