根据所给中文写出单词的合适形式

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

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

小题3:This beautiful walkman             (花费) 300 dollars.

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

小题5:This is a               (相当) difficult question.

中国电信面向校园客户提供的行业信息化产品是（）

A.警务E通

B.工商E通

C.司法E通

D.翼机通

E.券信E通