This is ________apple.
A. a                     B. two                C. an

—Is it       apple?
—Yes, it is.
A. a                    B. an                C.  /

I can’t play _____piano, but I play ____baseball very well. I often play it with Pat.

Let’s ask John to play           piano for the party.

Tina has           three-month-old cat. She likes it very much.

It’s _______black. It’s _____black car.
A…./…                        B.a/…                   C…./a      D.a/a

I can play ______guitar,but I can ’t play _______soccer.

My mother is __________ English teacher in a middle school.

----- Mr Green is ___ teacher. He is ___English teacher.

That is his ________.
A．an eraser               B．erasers            C．eraser