Listen!_______(有人）is knocking at the door.

Listen!_______(有人）is knocking at the door. Listen!Who is knocking at the 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? 1.---Listen!Sometime is knocking the door. 根据汉语意思完成句子：（ ）（有人）is knocking at the door. Listen!I hear someone knocking at the door （同义句转换） Listen!Th listen!someone is knocking at the door.------ must be my cou （中考英语）--Is Maria knocking at the door who is knocking at the door? 1.----Who is knocking at the door