This is my computer. It is black.

These are my compiuters. They are black and gray.

 

This is my sweater. It is orange

These are my  sweaters. They are green and orange.

 

This is my jacket. It is gray.

These are my jackets. They are gray and red.

 

This is my pencil. It is black.

These are my pencils. They are black and white.

 

This is my telephone. It is yallow.

These are my telephones. They are yallow and green.