— Excuse me, what’s this in English?

   — It’s _____ eraser.

A. a                       B. an                  C. the

--What’s this in the blue box?

--________is an orange bottle. _______ orange bottle is mine .

— What’s this in English?— _______ a quilt.

A. This’s      B. It’s        C. That’s       D. It

What’s this in English ?       ________________.

—What’s this in the photo?

—It’s    UFO.I took the photo.

A．a                B．an               C．the              D．/