What is this?
This is a pencil case.
What is this?
an eraser
What is this?
This is a schoolbag.
What are these?
These are scissors.
What is this?
a pencil sharpener
What is this?
a blackboard
What are these?
These are paper clips.
What is this?
This is a sellotape.
what is this?
This is a bin.
What is this?
This is a bookcase.