--- Are these your books?      　　　　　　--- No, they aren’t. They are ____________.

--Whose shirt is this? Is it Tom’s? ---No, it isn’t, ______ is white.

Jack is a boy, ______ last name is Brown.

--- Oh, there is someone knocking at the door. --- __________ must be your neighbour,     Mrs Black. 

----Where will Alice sit?----The seat next to Kenny’s is _________.