I. 单项选择：从每题四个选项中选择最佳答案。（30分）
( )21. Mrs. Li has ___________ 8-year-old daughter. She is very clever.
A. a B. an C. the D. /
( )22. Is the girl your sister ? When is __________ birthday?
A. her B. hers C. his D. my
( )23.---When will the 2008Olympic Games start? --- __________ August 8, 2008.
A. On B. In C. For D. At
( )24.---Who gets up ___________, your father or your mother ?
---My mother does. She cooks breakfast for us.
A. early B. earlier C. earliest D. the most early
( )25.---___________beautiful flowers they are! ---So they are.
A. What a B. How a C. What D. How
