一、单项填空（共10小题；每小题1分，满分10分）
从A、B、 C、D四个选项中选出可以填人空白处的最佳选项。
1. Lucy is ____ good girl. She often helps others.
A. a B. an C. the D. /
2. -_______ do you go to the English club?
Once a week.
A. How old B. How often C. How much D. How many
3. After practiicng for sevral months, I can swim much ________ now.
A. slower B. slowest C. faster D. fastest
