An orange is ________.

A. orange

B. an orange

C. the orange

D. oranges

An orange is ________．

[　　]

        orange is on the table.
A、An                    B、A                 C、Some

—Is an orange______?

---Yes, it is.

A.the orange              B.an orange                       C. orange 

        orange is on the table.

A、An                    B、A                 C、Some