Someone is knocking at the door._must be Tom
Someone is knocking at the door._must be Tom
-----Someone is knocking at the door.It ____ be Tom .
Someone is knocking at the door.Who it be?— It be Tom.He is
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,but who can____ be?
someone is knocking at the door.who [ ]it be?
--Listen! Someone is knocking at the door. Who _____it be?
---Listen! Someone is knocking at the door. Who _____it be?
---someone is knocking at the door.Who _____ it be?
--Listen! Someone is knocking at the door.
someone is knocking at the door.It might be the posyman.为什么用