Questions is/are

Where _ the rubber?

Where _ the chairs?

• It's a pencil.

• These are pencils.

• This is a pencil.

• These are a pencil.

• It's crayon.

• These are crayons.

• It's a crayon.

• It's a chair.

• They are a chair.

• They are chairs.

• This is a chair.

- What _? - They are rulers.