一、单项选择。（30分）
( )1. 一Good evening, Eric. 一_________, Cindy.
A. Good morning B. Good afternoon C. Good evening
( )2．一Hello! 一_________
A．Hello! B．Thank you C．I’m fine
( )3．一Sit down，P1ease． 一_________.
A．I’m fine B．OK C．Thank you
( )4．---Colin，what’s this in English? ---__________.
A．This is a pen B．It’s a pen C．It’s pen
( )5．It’s ___________ black．It’s ________ black ruler．
A．a；／ B．／；a C．a；a
