This is / These are
These are pencils.
This is / These are
These are chairs.
This is / These are
This is a clock.
This is / These are
These are notebooks.
This is / These are
This is a ruler.
This is / These are
This is a pencil.
This is / These are
This is a pen.
This is / These are
These are colored pencils.
This is / These are
This is a book.
This is / These are
These are crayons.
This is / These are
This is a notebook.
This is / These are
This is a door.
This is / These are
These are backpacks.
This is / These are
This is a sharpener.
This is / These are
This is a pencil.
This is / These are
This is a backpack.
This is / These are
This is a ruler.
This is / These are
These are backpacks.
This is / These are
This is a chair.
This is / These are
These are books.