What is it?
A wardrobe / closet
What is it?
A rug
What is it?
A table
What is it?
A bed
What are they?
Chairs (must say 's', are not is)
What is it?
A cooker
What is it?
A fridge
What is it?
A shower
What is it?
A sink
What is it?
A computer
What is it?
A cupboard
What is it?
A window
What is it?
A lamp
What is it?
A TV / Television
What is it?
A door
What is it?
A sofa