第二部分：知识运用（共两部分，20小题，计20分）
A)单项选择。（从A BC三个选项中选择正确答案填空。共10小题计10分）
（ ）21. ----______, are you Michael ?
----Yes, I am.
A. Excuse me B. How are you C. Thank you
( ) 22. This is ____ orange and that is ____ car.
A. a ; an B. an ; a C. a ; a
( ) 23. The girl ___ red is my sister,
A. from B. to C. in
