一、选择（25分）
( )1 That is ______ key.
A. my a B. a my C. me D. my
( )2 –What’s this in English?
-__________.
A. It’s red B. It’s a key C. It’s a green D. I’m OK.
( )3 It’s _______ orange. It’s _______ yellow orange.
A. a, an B. an, a C. a, the D. a red, a red
( )4 My pen is ______. It’s ______ pen.
A. a red, red B. red, a red C. red, red D. a red, a red
