I.词汇（15分）
A．用括号中所给词的适当形式填空（10分）：
1.I have _______ (many) than he.
2.Her brother runs much _______ (fast) than she.
3.This problem is one of the ________ (difficult) problem of all.
4.She is getting _______ (bad) now.
5.He is _______ (famous) than his sister.
