A) 从所给的A、B、C、D四个选项中，选出能填入空白处的最佳选项。
( ) 21. ______ am a girl. _______ name is Wang Lei.
A. I; I B. I; My C. My; I D. My; i
( ) 22. I’m Lucy Brown. Lucy is my ______ name. So you can call（称呼）me Lucy or Miss Brown.
A. first B. middle C. last D. family
( ) 23. —What’s your English teacher’s name?
—______ name is John Smith.
A. He B. His C. She D. Her
