一.选择题（20分）
( ) 1.．——Eric，what’s this in English? ——__________.
A．This is a pen. B．It’s a pen. C．It’s pen.
( )2. ——＿＿＿color is it? ——It’s green.
A. What’s B. What C. How
( )3. I ______ Bob. What ______ this in English?
A.am;am B.is;is C.am;is
( )4. This is ______ pen and that is ______ orange.
A.a;a B.a;an C.An;an
