Open the door!Someone is knocking at it.It _____ Mr Zhang.He
Open the door!Someone is knocking at it.It _____ Mr Zhang.He
---someone is knocking at the door.Who _____ it be?
Someone is knocking at the door.Who it be?— It be Tom.He is
Someone is knocking at the door.____ is it?
someone is knocking at the door.who [ ]it be?
-----Someone is knocking at the door.It ____ be Tom .
6.There is someone knocking at the door,who _____ it be?
someone is knocking at the door.___must be Tom.为什么用he而不用it?
Someone is knocking at the door.It be Tom because he Shangha
Someone is knocking at the door.___ it be Venis?—No,it ___ b
someone is knocking at the door,who is it? A this is a polic
someone is knocking at the door ()i go and see who it is A s