What is this?
This is an apple
What are these?
These are apples.
What is this?
This is a tomato.
What are these?
These are pencils.
What is this?
This is an orange.
What are these?
These are oranges.
What is this?
This is a pen.
What are these?
These are tomatoes.
What is this?
This is a pencil.
What are these?
These are pens.