Listen!Someone is k__ at de door

Listen!Someone is k__ at de door --Listen! Someone is knocking at the door. --Listen! Someone is knocking at the door. Who _____it be? ---Listen! Someone is knocking at the door. Who _____it be? Listen:Someone ______(knock) at the door. listen!someone is knocking at the door.------ must be my cou Listen!I hear someone knocking at the door. Listen!Who is knocking at the door? 单句改错：listen!someone is knocking the door Listen! Someone is knocking _________ the door. [   Listen,l hear someone knocking at the door的同义句 Listen!There Listen!I hear someone knocking at the door （同义句转换） Listen!Th