someone is knocking on the door.who can____ be
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?
who is knocking on the door ___must be Helen.
Someone is knocking at the door.Who it be?— It be Tom.He is
Someone is knocking at the door,but who can ( )be.A one B he
Someone is knocking at the door.Who can it be?的回答.A.Nothing
6.There is someone knocking at the door,who _____ it be?
Someone is knocking on the door (同意句)
Someone is knocking at the door._must be Tom