There is someone ringing the door bell.Who _____ it be?A) ca

There is someone ringing the door bell.Who _____ it be?A) ca ---someone is knocking at the door.Who _____ it be? 6.There is someone knocking at the door,who _____ it be? -Mary,the door bell is ringing.Who's that?-Oh,it's my friend someone is knocking at the door.who [ ]it be? Someone is knocking at the door.Who can it be?的回答.A.Nothing —There is somebady at the door.Who _____ it be? The door bell _____ when I was leaving.A rang B ringing C ri Someone is knocking at the door.Who it be?— It be Tom.He is 1.— There’s someone knocking at the door.Who could _____ be? The telephone is ringing.who( )it be A could B may C does D ----There's someone at the door.Who____ it be Is it the post