根据所给中文写出单词的合适形式。

1. The hair clip              ( 配) my new skirt very well.

2. She is so                (激动) when she knows the news.

3. This beautiful walkman             (花费) 300 dollars.

4. The price of the teddy bear is too             (昂贵).

5. This is a              (相当) difficult question.

机器设备现行购置成本的确定方法有（）

A.直接询价法

B.价格指数法

C.功能价值法

D.修复费用法

E.重置核算法