— What’s this in English?     
—________ a map.
A. This is             B. They are            C. It’s    

--What’s this in the blue box?
--________is an orange bottle. _______ orange bottle is mine .

—What’s this in English, Jack?
—It is a jacket.

—What’s this in English? —It’s ____ eraser.

— What’s this in English?
— It’s _____ eraser.